Insulin

availability_state

machinery_impairment Imported condition classification; unverified.

evidence_span

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experimental_model

Genetic and streptozotocin diabetes mouse models with vascular rescue assays

exposure

Diabetes, Atp7a overexpression, copper or insulin ex vivo

limitations

Local transporter loss and hypoinsulinemia are not proof of dietary copper deficiency or a human supplementation effect.

nutrient_topic

Copper research collection; topical membership is not evidence of a direct dietary effect. · Copper

organism

Mouse

plain_language

Hormone signaling can change whether a copper-dependent enzyme receives its metal.

primary_references

[copper-p23884884] Copper transporter ATP7A protects against endothelial dysfunction in type 1 diabetic mice by regulating extracellular superoxide dismutase. (2013). https://pubmed.ncbi.nlm.nih.gov/23884884/ DOI: 10.2337/db12-1228

tissue_or_cell_type

Aortas, mesenteric vessels and vascular smooth muscle

trigger_kind

machinery_impairment Imported condition classification; unverified.

Copper: transport, cuproenzymes, deficiency, excess and nutrient interactions (2026-09-17) · lines 975–986

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Genetic and streptozotocin diabetes mouse models with vascular rescue assays · source_derived_draft · unverified_draft

### copper-insulin-atp7a Insulin treatment increased ATP7A expression in vascular smooth muscle cells and restored SOD3 activity in diabetic mouse vessel culture. Condition category: machinery_impairment nutrient_topic: Copper research collection; topical membership is not evidence of a direct dietary effect. plain_language: Hormone signaling can change whether a copper-dependent enzyme receives its metal. organism: Mouse tissue_or_cell_type: Aortas, mesenteric vessels and vascular smooth muscle experimental_model: Genetic and streptozotocin diabetes mouse models with vascular rescue assays limitations: Local transporter loss and hypoinsulinemia are not proof of dietary copper deficiency or a human supplementation effect. exposure: Diabetes, Atp7a overexpression, copper or insulin ex vivo evidence_span: {"source_cache": "artifacts/copper-research/23884884.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "85b24243a5eec9d9447299976023325f133d18d979f5be612845f4d2bbc28249", "start_char": 0, "end_char": 1831, "text_sha256": "85b24243a5eec9d9447299976023325f133d18d979f5be612845f4d2bbc28249"} [copper-p23884884] Copper transporter ATP7A protects against endothelial dysfunction in type 1 diabetic mice by regulating extracellular superoxide dismutase. (2013). https://pubmed.ncbi.nlm.nih.gov/23884884/ DOI: 10.2337/db12-1228

cross_nutrient

Insulin -> magnesium-channel trafficking; complements the separate Mg -> insulin-response findings.

experimental_model

Expression-cell electrophysiology and surface fluorescence.

limitations

Combined pathway perturbations; no unspecified PI3K isoform assigned and no universal clinical feedback loop proven.

nutrient_topic

Magnesium research collection; topical membership is not evidence of a direct dietary effect. · Magnesium

organism

Homo sapiens

plain_language

Insulin can affect the magnesium entry machinery as well as glucose metabolism.

primary_references

[mg-nair2012] Loss of insulin-induced activation of TRPM6 magnesium channels results in impaired glucose tolerance during pregnancy (2012). https://pubmed.ncbi.nlm.nih.gov/22733750/ DOI: 10.1073/pnas.1113811109

tissue_or_cell_type

TRPM6-expressing cells; plasma membrane

Magnesium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1527–1537

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Expression-cell electrophysiology and surface fluorescence. · source_derived_draft · unverified_draft

### mg-insulin-trpm6-surface-regulation Insulin increased TRPM6 surface abundance and channel activity through a PI3K- and RAC1-dependent pathway. Condition category: normal nutrient_topic: Magnesium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Insulin can affect the magnesium entry machinery as well as glucose metabolism. organism: Homo sapiens tissue_or_cell_type: TRPM6-expressing cells; plasma membrane experimental_model: Expression-cell electrophysiology and surface fluorescence. limitations: Combined pathway perturbations; no unspecified PI3K isoform assigned and no universal clinical feedback loop proven. cross_nutrient: Insulin -> magnesium-channel trafficking; complements the separate Mg -> insulin-response findings. [mg-nair2012] Loss of insulin-induced activation of TRPM6 magnesium channels results in impaired glucose tolerance during pregnancy (2012). https://pubmed.ncbi.nlm.nih.gov/22733750/ DOI: 10.1073/pnas.1113811109

evidence_span

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experimental_model

Insulin-clamp dose experiment with creatine administration

exposure

12.4 g creatine with four insulin infusion conditions

limitations

High physiological or supraphysiological insulin exposure; transport stimulation was inferred, not a direct SLC6A8 molecular assay.

nutrient_topic

Creatine research collection; topical membership is not evidence of a direct dietary effect. · Creatine

organism

Seven men

plain_language

Greater delivery through the bloodstream alone did not account for the measured uptake effect.

primary_references

[creatine-p9843739] Stimulatory effect of insulin on creatine accumulation in human skeletal muscle. (1998). https://pubmed.ncbi.nlm.nih.gov/9843739/ DOI: 10.1152/ajpendo.1998.275.6.e974

tissue_or_cell_type

Skeletal muscle and limb circulation

Creatine: synthesis, transport, phosphocreatine energetics and nutrient interactions (2026-09-17) · lines 451–462

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Insulin-clamp dose experiment with creatine administration · source_derived_draft · unverified_draft

### creatine-insulin-flow-boundary Limb blood-flow differences did not explain the insulin-associated increase in muscle creatine accumulation. Condition category: normal nutrient_topic: Creatine research collection; topical membership is not evidence of a direct dietary effect. plain_language: Greater delivery through the bloodstream alone did not account for the measured uptake effect. organism: Seven men tissue_or_cell_type: Skeletal muscle and limb circulation experimental_model: Insulin-clamp dose experiment with creatine administration limitations: High physiological or supraphysiological insulin exposure; transport stimulation was inferred, not a direct SLC6A8 molecular assay. exposure: 12.4 g creatine with four insulin infusion conditions evidence_span: {"source_cache": "artifacts/creatine-research/9843739.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "405040e7e3d900e06a7f83a43c660ae040e7c95c53c96cd9159a766dee9fdda0", "start_char": 0, "end_char": 1214, "text_sha256": "405040e7e3d900e06a7f83a43c660ae040e7c95c53c96cd9159a766dee9fdda0"} [creatine-p9843739] Stimulatory effect of insulin on creatine accumulation in human skeletal muscle. (1998). https://pubmed.ncbi.nlm.nih.gov/9843739/ DOI: 10.1152/ajpendo.1998.275.6.e974

evidence_span

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experimental_model

Insulin-clamp dose experiment with creatine administration

exposure

12.4 g creatine with four insulin infusion conditions

limitations

High physiological or supraphysiological insulin exposure; transport stimulation was inferred, not a direct SLC6A8 molecular assay.

nutrient_topic

Creatine research collection; topical membership is not evidence of a direct dietary effect. · Creatine

organism

Seven men

plain_language

Higher insulin increased muscle uptake in a controlled infusion experiment.

primary_references

[creatine-p9843739] Stimulatory effect of insulin on creatine accumulation in human skeletal muscle. (1998). https://pubmed.ncbi.nlm.nih.gov/9843739/ DOI: 10.1152/ajpendo.1998.275.6.e974

tissue_or_cell_type

Skeletal muscle and limb circulation

Creatine: synthesis, transport, phosphocreatine energetics and nutrient interactions (2026-09-17) · lines 438–449

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Insulin-clamp dose experiment with creatine administration · source_derived_draft · unverified_draft

### creatine-insulin-uptake The two higher insulin infusion conditions increased muscle creatine accumulation, by approximately 4.5 and 8.3 mmol/kg dry muscle, during creatine administration. Condition category: normal nutrient_topic: Creatine research collection; topical membership is not evidence of a direct dietary effect. plain_language: Higher insulin increased muscle uptake in a controlled infusion experiment. organism: Seven men tissue_or_cell_type: Skeletal muscle and limb circulation experimental_model: Insulin-clamp dose experiment with creatine administration limitations: High physiological or supraphysiological insulin exposure; transport stimulation was inferred, not a direct SLC6A8 molecular assay. exposure: 12.4 g creatine with four insulin infusion conditions evidence_span: {"source_cache": "artifacts/creatine-research/9843739.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "405040e7e3d900e06a7f83a43c660ae040e7c95c53c96cd9159a766dee9fdda0", "start_char": 0, "end_char": 1214, "text_sha256": "405040e7e3d900e06a7f83a43c660ae040e7c95c53c96cd9159a766dee9fdda0"} [creatine-p9843739] Stimulatory effect of insulin on creatine accumulation in human skeletal muscle. (1998). https://pubmed.ncbi.nlm.nih.gov/9843739/ DOI: 10.1152/ajpendo.1998.275.6.e974

evidence_span

{"source_cache": "artifacts/chromium-research/11472024.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba", "start_char": 0, "end_char": 1224, "text_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba"}

experimental_model

In-vivo chromium tracing with insulin stimulation

exposure

Administered chromium with transferrin transport and insulin comparisons

limitations

Rat tracer findings do not establish a required human insulin-signaling cofactor. Identification of urinary chromodulin was tentative in the indexed abstract.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Rat

plain_language

An insulin signal changed chromium distribution in this rat experiment.

primary_references

[chromium-p11472024] The trail of chromium(III) in vivo from the blood to the urine: the roles of transferrin and chromodulin. (2001). https://pubmed.ncbi.nlm.nih.gov/11472024/ DOI: 10.1007/s007750100238

tissue_or_cell_type

Blood, tissues and urine

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 198–209

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · In-vivo chromium tracing with insulin stimulation · source_derived_draft · unverified_draft

### chromium-insulin-chromium-delivery Insulin stimulated transferrin-associated chromium transport from blood into rat tissues, with liver and kidneys prominent destinations. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: An insulin signal changed chromium distribution in this rat experiment. organism: Rat tissue_or_cell_type: Blood, tissues and urine experimental_model: In-vivo chromium tracing with insulin stimulation limitations: Rat tracer findings do not establish a required human insulin-signaling cofactor. Identification of urinary chromodulin was tentative in the indexed abstract. exposure: Administered chromium with transferrin transport and insulin comparisons evidence_span: {"source_cache": "artifacts/chromium-research/11472024.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba", "start_char": 0, "end_char": 1224, "text_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba"} [chromium-p11472024] The trail of chromium(III) in vivo from the blood to the urine: the roles of transferrin and chromodulin. (2001). https://pubmed.ncbi.nlm.nih.gov/11472024/ DOI: 10.1007/s007750100238

evidence_span

{"source_cache": "artifacts/chromium-research/11472024.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba", "start_char": 0, "end_char": 1224, "text_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba"}

experimental_model

In-vivo chromium tracing with insulin stimulation

exposure

Administered chromium with transferrin transport and insulin comparisons

limitations

Rat tracer findings do not establish a required human insulin-signaling cofactor. Identification of urinary chromodulin was tentative in the indexed abstract.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Rat

plain_language

The experiment links insulin exposure to chromium loss, but the identity and physiological role of the urinary complex need qualification.

primary_references

[chromium-p11472024] The trail of chromium(III) in vivo from the blood to the urine: the roles of transferrin and chromodulin. (2001). https://pubmed.ncbi.nlm.nih.gov/11472024/ DOI: 10.1007/s007750100238

tissue_or_cell_type

Blood, tissues and urine

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 211–222

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · In-vivo chromium tracing with insulin stimulation · source_derived_draft · unverified_draft

### chromium-insulin-urinary-chromium Insulin-associated urinary chromium loss increased alongside a low-molecular-weight fraction interpreted as probable chromodulin in the rat study. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The experiment links insulin exposure to chromium loss, but the identity and physiological role of the urinary complex need qualification. organism: Rat tissue_or_cell_type: Blood, tissues and urine experimental_model: In-vivo chromium tracing with insulin stimulation limitations: Rat tracer findings do not establish a required human insulin-signaling cofactor. Identification of urinary chromodulin was tentative in the indexed abstract. exposure: Administered chromium with transferrin transport and insulin comparisons evidence_span: {"source_cache": "artifacts/chromium-research/11472024.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba", "start_char": 0, "end_char": 1224, "text_sha256": "8760ddbb2dd372b94d71880c6c95441fb876ed2196b4f111988aae1244b3daba"} [chromium-p11472024] The trail of chromium(III) in vivo from the blood to the urine: the roles of transferrin and chromodulin. (2001). https://pubmed.ncbi.nlm.nih.gov/11472024/ DOI: 10.1007/s007750100238

cross_nutrient

Hormonal stimulation coordinates sodium extrusion and potassium entry.

experimental_model

Rat soleus in 85 mM Na/9 mM K.

limitations

Ex vivo rescue is not a clinical intervention recommendation.

nutrient_topic

Potassium research collection; topical membership is not evidence of a direct dietary effect. · Potassium

organism

Rat

plain_language

Stimulating the shared sodium-potassium pump improved muscle responses.

primary_references

[overgaard-1999-muscle] Relations between excitability and contractility in rat soleus muscle: role of the Na+-K+ pump and Na+/K+ gradients (1999). https://pubmed.ncbi.nlm.nih.gov/10373703/ DOI: 10.1111/j.1469-7793.1999.0215r.x

tissue_or_cell_type

Soleus muscle

Potassium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 727–737

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Rat soleus in 85 mM Na/9 mM K. · source_derived_draft · unverified_draft

### k-insulin-muscle-pump-rescue Insulin stimulation of active Na-K transport restored M-wave area and force in the reduced-gradient soleus preparation. Condition category: normal nutrient_topic: Potassium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Stimulating the shared sodium-potassium pump improved muscle responses. organism: Rat tissue_or_cell_type: Soleus muscle experimental_model: Rat soleus in 85 mM Na/9 mM K. limitations: Ex vivo rescue is not a clinical intervention recommendation. cross_nutrient: Hormonal stimulation coordinates sodium extrusion and potassium entry. [overgaard-1999-muscle] Relations between excitability and contractility in rat soleus muscle: role of the Na+-K+ pump and Na+/K+ gradients (1999). https://pubmed.ncbi.nlm.nih.gov/10373703/ DOI: 10.1111/j.1469-7793.1999.0215r.x

evidence_access

Primary abstract

experimental_model

Arterial endothelial-cell expression profiling.

limitations

Cell species unresolved in accessed abstract; direct aspartame exposure is not asserted.

nutrient_topic

Aspartame collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Aspartame

plain_language

A hormone can change an immune-cell recruitment signal.

primary_references

Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

Aspartame: digestion, taste, metabolite dependencies and experimental signaling (2026-09-20) · lines 274–280

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Arterial endothelial-cell expression profiling. · source_derived_draft · unverified_draft

## aspartame-endothelial-chemokine A hormone can change an immune-cell recruitment signal. Insulin-stimulated arterial endothelial cells upregulated CX3CL1. Model: Arterial endothelial-cell expression profiling. Limitations: Cell species unresolved in accessed abstract; direct aspartame exposure is not asserted. Evidence access: Primary abstract Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

evidence_access

Primary abstract

experimental_model

Mouse insulin-pump experiment.

limitations

Does not prove every aspartame effect is insulin-mediated.

nutrient_topic

Aspartame collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Aspartame

plain_language

A mediator intervention supported the proposed chain.

primary_references

Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

Aspartame: digestion, taste, metabolite dependencies and experimental signaling (2026-09-20) · lines 266–272

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse insulin-pump experiment. · source_derived_draft · unverified_draft

## aspartame-insulin-pump A mediator intervention supported the proposed chain. Slow-release insulin pumps worsened atherosclerosis in ApoE-null mice. Model: Mouse insulin-pump experiment. Limitations: Does not prove every aspartame effect is insulin-mediated. Evidence access: Primary abstract Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

evidence_access

Primary abstract

experimental_model

Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL.

limitations

Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial.

nutrient_topic

Fasting physiological-state collection; human protocols, cellular deprivation and refeeding are distinguished. · Fasting / abstention from energy intake

plain_language

Calcium did not follow the same urinary pattern as potassium and phosphate.

primary_references

The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

Fasting: fuel switching, nutrient sensing, ketone signaling, nutrient dependencies and refeeding (2026-09-18) · lines 472–478

AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. · source_derived_draft · unverified_draft

## fast-insulin-calcium Calcium did not follow the same urinary pattern as potassium and phosphate. Urinary calcium excretion rose from 126 to 200 micrograms/min. Model: Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. Limitations: Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial. Evidence access: Primary abstract The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

evidence_access

Primary abstract

experimental_model

Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL.

limitations

Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial.

nutrient_topic

Fasting physiological-state collection; human protocols, cellular deprivation and refeeding are distinguished. · Fasting / abstention from energy intake

plain_language

Phosphate handling changed when insulin rose.

primary_references

The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

Fasting: fuel switching, nutrient sensing, ketone signaling, nutrient dependencies and refeeding (2026-09-18) · lines 464–470

AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. · source_derived_draft · unverified_draft

## fast-insulin-phosphate Phosphate handling changed when insulin rose. Urinary phosphate excretion fell from 504 to 230 micrograms/min, with a small plasma phosphate decrease. Model: Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. Limitations: Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial. Evidence access: Primary abstract The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

evidence_access

Primary abstract

experimental_model

Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL.

limitations

Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial.

nutrient_topic

Fasting physiological-state collection; human protocols, cellular deprivation and refeeding are distinguished. · Fasting / abstention from energy intake

plain_language

Blood potassium and urinary loss changed together.

primary_references

The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

Fasting: fuel switching, nutrient sensing, ketone signaling, nutrient dependencies and refeeding (2026-09-18) · lines 456–462

AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. · source_derived_draft · unverified_draft

## fast-insulin-potassium Blood potassium and urinary loss changed together. Urinary potassium excretion fell from 66 to 21 microequivalents/min while plasma potassium also decreased. Model: Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. Limitations: Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial. Evidence access: Primary abstract The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

evidence_access

Primary abstract

experimental_model

Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL.

limitations

Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial.

nutrient_topic

Fasting physiological-state collection; human protocols, cellular deprivation and refeeding are distinguished. · Fasting / abstention from energy intake

plain_language

Insulin changed kidney sodium retention.

primary_references

The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

Fasting: fuel switching, nutrient sensing, ketone signaling, nutrient dependencies and refeeding (2026-09-18) · lines 448–454

AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. · source_derived_draft · unverified_draft

## fast-insulin-sodium Insulin changed kidney sodium retention. Urinary sodium excretion fell from 401 to 213 microequivalents/min without changes in GFR, renal blood flow or aldosterone. Model: Six water-loaded healthy subjects; 120-minute euglycemic insulin infusion, 98–193 microU/mL. Limitations: Insulin-clamp mechanism, not a fasting or refeeding-syndrome trial. Evidence access: Primary abstract The effect of insulin on renal handling of sodium, potassium, calcium, and phosphate in man. · 1975 · https://pubmed.ncbi.nlm.nih.gov/1120786/ · DOI 10.1172/JCI107996

cross_nutrient

true

experimental_model

Isolated rat adipocytes and GLUT4-expressing Xenopus oocytes

exposure

0.67 µM insulin preincubation

limitations

Pharmacological cell exposure; no claim about human vitamin C requirements in diabetes.

nutrient_topic

Vitamin C research collection; topical membership is not evidence of a direct dietary effect. · Vitamin C

organism

Rattus norvegicus

plain_language

Insulin increased oxidized vitamin C entry into rat fat cells, rather than simply speeding its internal reduction.

primary_references

[rumsey2000] Dehydroascorbic acid transport by GLUT4 in Xenopus oocytes and isolated rat adipocytes. (2000). https://pubmed.ncbi.nlm.nih.gov/10862609/ DOI: 10.1074/jbc.m000988200

tissue_or_cell_type

Adipocytes

Vitamin C: mechanisms, deficiency and nutrient interactions (2026-09-17) · lines 299–310

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Isolated rat adipocytes and GLUT4-expressing Xenopus oocytes · source_derived_draft · unverified_draft

### vc-transport-insulin-dha-uptake Preincubation of isolated rat adipocytes with 0.67 µM insulin increased DHA transport 6–8-fold; intracellular DHA reduction was complete both before and after insulin. Condition category: normal nutrient_topic: Vitamin C research collection; topical membership is not evidence of a direct dietary effect. plain_language: Insulin increased oxidized vitamin C entry into rat fat cells, rather than simply speeding its internal reduction. organism: Rattus norvegicus tissue_or_cell_type: Adipocytes experimental_model: Isolated rat adipocytes and GLUT4-expressing Xenopus oocytes limitations: Pharmacological cell exposure; no claim about human vitamin C requirements in diabetes. exposure: 0.67 µM insulin preincubation cross_nutrient: true [rumsey2000] Dehydroascorbic acid transport by GLUT4 in Xenopus oocytes and isolated rat adipocytes. (2000). https://pubmed.ncbi.nlm.nih.gov/10862609/ DOI: 10.1074/jbc.m000988200

evidence_span

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experimental_model

Human SMIT2 overexpression and radiotracer uptake

exposure

Overexpression, glucose competition and insulin exposure

limitations

Overexpression is not normal transporter abundance. Insulin experiments used untransfected rat cells; changes in human diabetes are proposed, not demonstrated here.

nutrient_topic

Inositol research collection; topical membership is not evidence of a direct dietary effect. · Inositol (stereoisomer family)

organism

Human transporter in rat L6 myoblasts

plain_language

The muscle-cell model adjusted its inositol uptake after insulin exposure.

primary_references

[ino-p19032932] Human sodium/inositol cotransporter 2 (SMIT2) transports inositols but not glucose in L6 cells. (2009). https://pubmed.ncbi.nlm.nih.gov/19032932/ DOI: 10.1016/j.abb.2008.11.008

tissue_or_cell_type

Skeletal-muscle cell model

Inositol: synthesis, signaling, mineral interactions and conditional deficiency (2026-09-17) · lines 327–338

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Human SMIT2 overexpression and radiotracer uptake · source_derived_draft · unverified_draft

### ino-insulin-dci-uptake Insulin exposure at 2 micromolar for 24 hours increased specific D-chiro-inositol uptake 18-fold in untransfected rat L6 cells. Condition category: normal nutrient_topic: Inositol research collection; topical membership is not evidence of a direct dietary effect. plain_language: The muscle-cell model adjusted its inositol uptake after insulin exposure. organism: Human transporter in rat L6 myoblasts tissue_or_cell_type: Skeletal-muscle cell model experimental_model: Human SMIT2 overexpression and radiotracer uptake limitations: Overexpression is not normal transporter abundance. Insulin experiments used untransfected rat cells; changes in human diabetes are proposed, not demonstrated here. exposure: Overexpression, glucose competition and insulin exposure evidence_span: {"source_cache": "artifacts/inositol-research/19032932.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "4fdc565b9aa26ef5f2d083c539a1b0367403b39f0c75d3ea1b194bf6fa525242", "start_char": 0, "end_char": 1164, "text_sha256": "4fdc565b9aa26ef5f2d083c539a1b0367403b39f0c75d3ea1b194bf6fa525242"} [ino-p19032932] Human sodium/inositol cotransporter 2 (SMIT2) transports inositols but not glucose in L6 cells. (2009). https://pubmed.ncbi.nlm.nih.gov/19032932/ DOI: 10.1016/j.abb.2008.11.008

availability_state

machinery_impairment Imported condition classification; unverified.

cross_nutrient

Insulin/TRPM6/Mg interaction can depend on genotype.

experimental_model

Mutant-versus-wild-type channel assays.

limitations

Nearby phosphorylation-site effects are proposed; association with pregnancy glycemia does not prove nutritional causality.

nutrient_topic

Magnesium research collection; topical membership is not evidence of a direct dietary effect. · Magnesium

organism

Homo sapiens

plain_language

A change in the channel can interrupt the signal even when insulin is present.

primary_references

[mg-nair2012] Loss of insulin-induced activation of TRPM6 magnesium channels results in impaired glucose tolerance during pregnancy (2012). https://pubmed.ncbi.nlm.nih.gov/22733750/ DOI: 10.1073/pnas.1113811109

tissue_or_cell_type

TRPM6-expressing cells; plasma membrane

trigger_kind

machinery_impairment Imported condition classification; unverified.

Magnesium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1539–1549

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Mutant-versus-wild-type channel assays. · source_derived_draft · unverified_draft

### mg-trpm6-variants-insulin-response Insulin failed to activate tested TRPM6 V1393I and K1584E variants. Condition category: machinery_impairment nutrient_topic: Magnesium research collection; topical membership is not evidence of a direct dietary effect. plain_language: A change in the channel can interrupt the signal even when insulin is present. organism: Homo sapiens tissue_or_cell_type: TRPM6-expressing cells; plasma membrane experimental_model: Mutant-versus-wild-type channel assays. limitations: Nearby phosphorylation-site effects are proposed; association with pregnancy glycemia does not prove nutritional causality. cross_nutrient: Insulin/TRPM6/Mg interaction can depend on genotype. [mg-nair2012] Loss of insulin-induced activation of TRPM6 magnesium channels results in impaired glucose tolerance during pregnancy (2012). https://pubmed.ncbi.nlm.nih.gov/22733750/ DOI: 10.1073/pnas.1113811109

endpoint

Beta-hydroxybutyric acid infusion increased portal insulin in conscious dogs.

experimental-exposure

Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies.

experimental_model

Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies.

limitations

Racemic ketone-acid infusion into nondiabetic animals does not model insulin-deficient diabetic ketoacidosis.

nutrient_topic

Potassium research collection; topical membership is not evidence of a direct dietary effect. · Potassium

organism

Canis lupus familiaris

plain_language

The ketone-acid intervention changed the hormone environment that controls potassium distribution.

primary_references

[adrogue-1985-acid-infusion] Role of the endocrine pancreas in the kalemic response to acute metabolic acidosis in conscious dogs (1985). https://www.jci.org/articles/view/111775 DOI: 10.1172/JCI111775

tissue_or_cell_type

pancreatic-portal circulation

Potassium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1164–1175

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies. · source_derived_draft · unverified_draft

### ketoacid-infusion-raises-portal-insulin Beta-hydroxybutyric acid infusion increased portal insulin in conscious dogs. Condition category: normal nutrient_topic: Potassium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The ketone-acid intervention changed the hormone environment that controls potassium distribution. organism: Canis lupus familiaris tissue_or_cell_type: pancreatic-portal circulation experimental_model: Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies. limitations: Racemic ketone-acid infusion into nondiabetic animals does not model insulin-deficient diabetic ketoacidosis. experimental-exposure: Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies. endpoint: Beta-hydroxybutyric acid infusion increased portal insulin in conscious dogs. [adrogue-1985-acid-infusion] Role of the endocrine pancreas in the kalemic response to acute metabolic acidosis in conscious dogs (1985). https://www.jci.org/articles/view/111775 DOI: 10.1172/JCI111775

availability_state

nutrient_deficiency Imported condition classification; unverified.

cross_nutrient

Magnesium -> insulin signaling -> carbohydrate handling.

experimental_model

Partially purified rat gastrocnemius receptors.

limitations

A depletion experiment; not isolated Mg binding to a particular receptor site.

nutrient_topic

Magnesium research collection; topical membership is not evidence of a direct dietary effect. · Magnesium

organism

Rattus norvegicus

plain_language

The receptor could still bind insulin, but its downstream activation was impaired.

primary_references

[mg-suarez1995] Impaired tyrosine-kinase activity of muscle insulin receptors from hypomagnesaemic rats (1995). https://pubmed.ncbi.nlm.nih.gov/8582534/ DOI: 10.1007/bf00401757

tissue_or_cell_type

Rat gastrocnemius receptor preparations and perfused hindquarter

trigger_kind

nutrient_deficiency Imported condition classification; unverified.

Magnesium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1503–1513

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Partially purified rat gastrocnemius receptors. · source_derived_draft · unverified_draft

### mg-deficiency-insr-autophosphorylation Insulin receptor autophosphorylation was reduced about 50% in muscle preparations from Mg-deficient rats, despite similar insulin binding. Condition category: nutrient_deficiency nutrient_topic: Magnesium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The receptor could still bind insulin, but its downstream activation was impaired. organism: Rattus norvegicus tissue_or_cell_type: Rat gastrocnemius receptor preparations and perfused hindquarter experimental_model: Partially purified rat gastrocnemius receptors. limitations: A depletion experiment; not isolated Mg binding to a particular receptor site. cross_nutrient: Magnesium -> insulin signaling -> carbohydrate handling. [mg-suarez1995] Impaired tyrosine-kinase activity of muscle insulin receptors from hypomagnesaemic rats (1995). https://pubmed.ncbi.nlm.nih.gov/8582534/ DOI: 10.1007/bf00401757

availability_state

nutrient_deficiency Imported condition classification; unverified.

cross_nutrient

Magnesium/insulin/glucose; impaired sensitivity is distinct from absence of transport.

experimental_model

Perfused rat hindquarter.

limitations

Muscle GLUT4 abundance was similar; the experiment does not establish a single causal intermediate.

nutrient_topic

Magnesium research collection; topical membership is not evidence of a direct dietary effect. · Magnesium

organism

Rattus norvegicus

plain_language

The response became less sensitive rather than completely stopping.

primary_references

[mg-suarez1995] Impaired tyrosine-kinase activity of muscle insulin receptors from hypomagnesaemic rats (1995). https://pubmed.ncbi.nlm.nih.gov/8582534/ DOI: 10.1007/bf00401757

tissue_or_cell_type

Rat gastrocnemius receptor preparations and perfused hindquarter

trigger_kind

nutrient_deficiency Imported condition classification; unverified.

Magnesium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1515–1525

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Perfused rat hindquarter. · source_derived_draft · unverified_draft

### mg-deficiency-muscle-insulin-response Mg-deficient rat muscle had lower glucose uptake at submaximal insulin; basal and maximal-insulin uptake were preserved. Condition category: nutrient_deficiency nutrient_topic: Magnesium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The response became less sensitive rather than completely stopping. organism: Rattus norvegicus tissue_or_cell_type: Rat gastrocnemius receptor preparations and perfused hindquarter experimental_model: Perfused rat hindquarter. limitations: Muscle GLUT4 abundance was similar; the experiment does not establish a single causal intermediate. cross_nutrient: Magnesium/insulin/glucose; impaired sensitivity is distinct from absence of transport. [mg-suarez1995] Impaired tyrosine-kinase activity of muscle insulin receptors from hypomagnesaemic rats (1995). https://pubmed.ncbi.nlm.nih.gov/8582534/ DOI: 10.1007/bf00401757

cross_nutrient

Magnesium/insulin/glucose: biochemical repletion and clinical response are separate.

experimental_model

14-person, six-week randomized crossover trial.

exposure

15 mmol/day trial exposure, not advice. Clamp M 4.6 versus 4.4 mg/kg/min; p=0.108.

limitations

Small trial and modest biochemical change; not proof of zero effect. Differs from the 2003 trial in treatment, duration and endpoint, not a fabricated scientific contradiction.

nutrient_topic

Magnesium research collection; topical membership is not evidence of a direct dietary effect. · Magnesium

organism

Homo sapiens

plain_language

Raising the blood magnesium value did not establish improved insulin sensitivity in this trial.

primary_references

[mg-drenthen2024] Oral magnesium supplementation does not affect insulin sensitivity in people with insulin-treated type 2 diabetes and a low serum magnesium: a randomised controlled trial (2024). https://pubmed.ncbi.nlm.nih.gov/37922013/ DOI: 10.1007/s00125-023-06029-9

tissue_or_cell_type

Human whole-body glucose clamp and blood measurements

Magnesium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1564–1575

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · 14-person, six-week randomized crossover trial. · source_derived_draft · unverified_draft

### mg-diabetes-clamp-trial2024 Magnesium increased serum Mg but did not significantly change the primary clamp outcome in insulin-treated adults with low serum Mg. Condition category: normal nutrient_topic: Magnesium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Raising the blood magnesium value did not establish improved insulin sensitivity in this trial. organism: Homo sapiens tissue_or_cell_type: Human whole-body glucose clamp and blood measurements experimental_model: 14-person, six-week randomized crossover trial. limitations: Small trial and modest biochemical change; not proof of zero effect. Differs from the 2003 trial in treatment, duration and endpoint, not a fabricated scientific contradiction. cross_nutrient: Magnesium/insulin/glucose: biochemical repletion and clinical response are separate. exposure: 15 mmol/day trial exposure, not advice. Clamp M 4.6 versus 4.4 mg/kg/min; p=0.108. [mg-drenthen2024] Oral magnesium supplementation does not affect insulin sensitivity in people with insulin-treated type 2 diabetes and a low serum magnesium: a randomised controlled trial (2024). https://pubmed.ncbi.nlm.nih.gov/37922013/ DOI: 10.1007/s00125-023-06029-9

cross_nutrient

Magnesium -> insulin/glucose endpoints; treatment context matters.

experimental_model

63-person, 16-week randomized trial.

exposure

Eligibility serum Mg at most 0.74 mmol/L. End-study HOMA-IR means 3.8 versus 5.0.

limitations

HOMA is a surrogate, not a clamp; renal impairment was excluded. Not proof that all diabetes responds to Mg.

nutrient_topic

Magnesium research collection; topical membership is not evidence of a direct dietary effect. · Magnesium

organism

Homo sapiens

plain_language

One trial found improved insulin-resistance estimates in a specific low-magnesium group.

primary_references

[mg-rodriguezmoran2003] Oral magnesium supplementation improves insulin sensitivity and metabolic control in type 2 diabetic subjects: a randomized double-blind controlled trial (2003). https://pubmed.ncbi.nlm.nih.gov/12663588/ DOI: 10.2337/diacare.26.4.1147

tissue_or_cell_type

Human blood-based metabolic endpoints

Magnesium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1551–1562

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · 63-person, 16-week randomized trial. · source_derived_draft · unverified_draft

### mg-diabetes-homa-trial2003 Magnesium treatment lowered HOMA-IR compared with placebo in hypomagnesemic adults with type 2 diabetes receiving glibenclamide. Condition category: normal nutrient_topic: Magnesium research collection; topical membership is not evidence of a direct dietary effect. plain_language: One trial found improved insulin-resistance estimates in a specific low-magnesium group. organism: Homo sapiens tissue_or_cell_type: Human blood-based metabolic endpoints experimental_model: 63-person, 16-week randomized trial. limitations: HOMA is a surrogate, not a clamp; renal impairment was excluded. Not proof that all diabetes responds to Mg. cross_nutrient: Magnesium -> insulin/glucose endpoints; treatment context matters. exposure: Eligibility serum Mg at most 0.74 mmol/L. End-study HOMA-IR means 3.8 versus 5.0. [mg-rodriguezmoran2003] Oral magnesium supplementation improves insulin sensitivity and metabolic control in type 2 diabetic subjects: a randomized double-blind controlled trial (2003). https://pubmed.ncbi.nlm.nih.gov/12663588/ DOI: 10.2337/diacare.26.4.1147

evidence_span

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experimental_model

Randomised double-blind crossover trial in 33 normal-weight subjects with an unrestricted test meal

exposure

A breakfast containing 4 grams of high molecular weight oat beta-glucan against a control breakfast

limitations

An acute crossover in normal-weight subjects. Fullness and satiety rose without any change in what was actually eaten afterwards.

nutrient_topic

Beta-glucan research collection; topical membership is not evidence of a direct clinical effect, and each preparation is recorded as its own entity with no family link joining any pair. · Beta-glucan

organism

Human

plain_language

People felt fuller and ate the same amount, and the gut hormone usually credited for fullness went down, not up.

primary_references

[bg-p29920323] Effects of oat β-glucan consumption at breakfast on ad libitum eating, appetite, glycemia, insulinemia and GLP-1 concentrations in healthy subjects. (2018). https://pubmed.ncbi.nlm.nih.gov/29920323/ DOI: 10.1016/j.appet.2018.06.019

tissue_or_cell_type

Postprandial circulation and appetite

Beta-glucan: a structural family rather than an agent, what decides whether a bound glucan actually signals, the complement route that a cereal and a yeast preparation share, and the unequal human evidence behind each (2026-09-22) · lines 593–604

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Randomised double-blind crossover trial in 33 normal-weight subjects with an unrestricted test meal · source_derived_draft · unverified_draft

### bg-satiety-rises-but-glp1-falls Oat beta-glucan increased feelings of fullness and satiety but did not affect energy and amount eaten at the ad libitum test meal, and there was a treatment by time interaction for plasma GLP-1, plasma insulin and blood glucose, with GLP-1 significantly reduced at 90 minutes, blood glucose at 30 minutes and plasma insulin at 30 and 60 minutes following the oat beta-glucan breakfast compared with the control breakfast, so four grams of high molecular weight oat beta-glucan lowers appetite but not ad libitum eating and beneficially modulates postprandial glycaemia, it does however not increase plasma GLP-1 secretion. Condition category: normal nutrient_topic: Beta-glucan research collection; topical membership is not evidence of a direct clinical effect, and each preparation is recorded as its own entity with no family link joining any pair. plain_language: People felt fuller and ate the same amount, and the gut hormone usually credited for fullness went down, not up. organism: Human tissue_or_cell_type: Postprandial circulation and appetite experimental_model: Randomised double-blind crossover trial in 33 normal-weight subjects with an unrestricted test meal limitations: An acute crossover in normal-weight subjects. Fullness and satiety rose without any change in what was actually eaten afterwards. exposure: A breakfast containing 4 grams of high molecular weight oat beta-glucan against a control breakfast evidence_span: {"source_cache": "artifacts/glucan-research/29920323.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "8038ec81d42b26e4b4892cd24cd0ce26597ba28ef57296a90062428f6ecbceb4", "start_char": 0, "end_char": 1413, "text_sha256": "8038ec81d42b26e4b4892cd24cd0ce26597ba28ef57296a90062428f6ecbceb4"} [bg-p29920323] Effects of oat β-glucan consumption at breakfast on ad libitum eating, appetite, glycemia, insulinemia and GLP-1 concentrations in healthy subjects. (2018). https://pubmed.ncbi.nlm.nih.gov/29920323/ DOI: 10.1016/j.appet.2018.06.019

dose

Single 0, 1, 2 and 4 g leaf-powder doses separated by two weeks

duration

Six hours

evidence_access

Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

evidence_scope

literature_reviewed; model-specific source-derived curation

experimental_model

Ten healthy adults in an escalating-dose crossover study

limitations

The small nonrandomized dose sequence in healthy volunteers does not establish chronic glycemic benefit or an effect in diabetes.

nutrient_topic

Moringa oleifera chapter; interacting nutrients, drugs, peptides and proteins retain their experimental settings. · Moringa oleifera

organism

Ten healthy adults in an escalating-dose crossover study

plain_language

In ten healthy adults, a single 4 g dose of Moringa leaf powder increased insulin AUC and the insulin-to-glucose AUC ratio by 74% compared with the no-Moringa baseline.

primary_references

Moringa Oleifera Leaf Increases Insulin Secretion after Single Dose Administration: A Preliminary Study in Healthy Subjects. (2016). https://pubmed.ncbi.nlm.nih.gov/27276742/

route

Oral

tissue

Plasma insulin and insulin/glucose AUC

Moringa oleifera: mechanism of action and interactions (2026-09-20) · lines 112–121

Original AI-assisted source-specific curation with primary-study citations, model, exposure, route, duration, negative findings and limitations preserved. Not publisher full text. · supports · Ten healthy adults in an escalating-dose crossover study · source_derived_draft · unverified_draft

## moringa-human-acute-insulin In ten healthy adults, a single 4 g dose of Moringa leaf powder increased insulin AUC and the insulin-to-glucose AUC ratio by 74% compared with the no-Moringa baseline. Model/species: Ten healthy adults in an escalating-dose crossover study Tissue/system: Plasma insulin and insulin/glucose AUC Exposure: Single 0, 1, 2 and 4 g leaf-powder doses separated by two weeks Route: Oral Duration: Six hours Limits: The small nonrandomized dose sequence in healthy volunteers does not establish chronic glycemic benefit or an effect in diabetes. Primary reference: Moringa Oleifera Leaf Increases Insulin Secretion after Single Dose Administration: A Preliminary Study in Healthy Subjects. (2016). https://pubmed.ncbi.nlm.nih.gov/27276742/ Access: Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

dose

Study-specific aqueous leaf extract

duration

Study interval specified in the primary article

evidence_access

Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

evidence_scope

literature_reviewed; model-specific source-derived curation

experimental_model

Type-2-diabetic rats

limitations

This model-specific null does not negate the acute plasma-insulin finding in healthy humans; the actors, endpoint and exposure differ.

nutrient_topic

Moringa oleifera chapter; interacting nutrients, drugs, peptides and proteins retain their experimental settings. · Moringa oleifera

organism

Type-2-diabetic rats

plain_language

In the type-2-diabetic rat experiment, Moringa extract did not significantly change pancreatic insulin concentration despite its effects on carbohydrate digestion and absorption.

primary_references

Anti-hyperglycaemic activity of Moringa oleifera is partly mediated by carbohydrase inhibition and glucose-fibre binding. (2017). https://pubmed.ncbi.nlm.nih.gov/28336764/ DOI: 10.1042/BSR20170059

route

In vivo

tissue

Pancreatic insulin concentration

Moringa oleifera: mechanism of action and interactions (2026-09-20) · lines 288–297

Original AI-assisted source-specific curation with primary-study citations, model, exposure, route, duration, negative findings and limitations preserved. Not publisher full text. · supports · Type-2-diabetic rats · source_derived_draft · unverified_draft

## moringa-rat-insulin-null In the type-2-diabetic rat experiment, Moringa extract did not significantly change pancreatic insulin concentration despite its effects on carbohydrate digestion and absorption. Model/species: Type-2-diabetic rats Tissue/system: Pancreatic insulin concentration Exposure: Study-specific aqueous leaf extract Route: In vivo Duration: Study interval specified in the primary article Limits: This model-specific null does not negate the acute plasma-insulin finding in healthy humans; the actors, endpoint and exposure differ. Primary reference: Anti-hyperglycaemic activity of Moringa oleifera is partly mediated by carbohydrase inhibition and glucose-fibre binding. (2017). https://pubmed.ncbi.nlm.nih.gov/28336764/ DOI: 10.1042/BSR20170059 Access: Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

evidence_span

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experimental_model

Electrophysiology of pancreatic alpha 2 cells with glucose and GABA

exposure

GABA co-secreted with insulin from beta cells, acting on GABA-A receptor chloride channels in alpha 2 cells

limitations

An early electrophysiological model. It proposes that GABA mediates part of the effect of glucose rather than demonstrating the whole of it.

nutrient_topic

GABA research collection; topical membership is not evidence of a direct clinical effect, and the sign of a GABA response depends on the chloride gradient of the cell it was measured in. · Gamma-aminobutyric acid

organism

Guinea pig and rat

plain_language

The cells that release insulin release GABA with it, and that is part of how a meal switches off the opposing hormone.

primary_references

[gb-p2550826] Glucose-inhibition of glucagon secretion involves activation of GABAA-receptor chloride channels. (1989). https://pubmed.ncbi.nlm.nih.gov/2550826/ DOI: 10.1038/341233a0

tissue_or_cell_type

Pancreatic islet

GABA: a ligand with no sign of its own, the cofactor that limits its synthesis, the barrier that keeps it out of the brain, and the immune settings where the same molecule protects and harms (2026-09-22) · lines 404–415

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Electrophysiology of pancreatic alpha 2 cells with glucose and GABA · source_derived_draft · unverified_draft

### gb-the-islet-signals-with-gaba The inhibitory neurotransmitter GABA is present in the endocrine part of the pancreas at concentrations comparable to those encountered in the central nervous system and co-localizes with insulin in pancreatic beta cells, and we describe a mechanism whereby GABA co-secreted with insulin from beta cells may mediate part of the inhibitory action of glucose on glucagon secretion by activating GABA-A receptor chloride channels in alpha 2 cells, providing a model for feedback regulation of glucagon release which may be of significance for understanding the hypersecretion of glucagon frequently associated with diabetes. Condition category: normal nutrient_topic: GABA research collection; topical membership is not evidence of a direct clinical effect, and the sign of a GABA response depends on the chloride gradient of the cell it was measured in. plain_language: The cells that release insulin release GABA with it, and that is part of how a meal switches off the opposing hormone. organism: Guinea pig and rat tissue_or_cell_type: Pancreatic islet experimental_model: Electrophysiology of pancreatic alpha 2 cells with glucose and GABA limitations: An early electrophysiological model. It proposes that GABA mediates part of the effect of glucose rather than demonstrating the whole of it. exposure: GABA co-secreted with insulin from beta cells, acting on GABA-A receptor chloride channels in alpha 2 cells evidence_span: {"source_cache": "artifacts/gaba-research/2550826.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9062539804213a1ccf427b75c8f6d262b151e22464cd6b7c84640f222f7dea94", "start_char": 0, "end_char": 1225, "text_sha256": "9062539804213a1ccf427b75c8f6d262b151e22464cd6b7c84640f222f7dea94"} [gb-p2550826] Glucose-inhibition of glucagon secretion involves activation of GABAA-receptor chloride channels. (1989). https://pubmed.ncbi.nlm.nih.gov/2550826/ DOI: 10.1038/341233a0

evidence_span

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experimental_model

Randomized double-blind placebo-controlled crossover physiology trial

exposure

5 mg oral melatonin; five-day laboratory protocol

limitations

Small genotype-stratified acute study published in 2026. Stronger carrier findings are not a population-wide diabetes risk estimate or evidence about all chronic formulations.

nutrient_topic

Melatonin research collection; topical membership is not evidence of a direct dietary effect. · Melatonin

organism

21 healthy European-ancestry participants: 10 risk carriers, 11 noncarriers

plain_language

Regulation by insulin itself changed as well as the response to glucose.

primary_references

[melatonin-p42346809] Melatonin Impairs Glucose Tolerance, First-Phase Insulin Secretion, and Insulin Feedback Inhibition; Interaction With MTNR1B Diabetes Risk Variant. (2026). https://pubmed.ncbi.nlm.nih.gov/42346809/ DOI: 10.2337/dc26-0164

tissue_or_cell_type

Insulin-modified IV glucose test and beta-cell modeling

Melatonin: synthesis, receptors, circadian timing and nutrient interactions (2026-09-17) · lines 1215–1226

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Randomized double-blind placebo-controlled crossover physiology trial · source_derived_draft · unverified_draft

### melatonin-2026-insulin-feedback Risk carriers showed a slower insulin-induced decline in second-phase insulin secretion during melatonin exposure. Condition category: normal nutrient_topic: Melatonin research collection; topical membership is not evidence of a direct dietary effect. plain_language: Regulation by insulin itself changed as well as the response to glucose. organism: 21 healthy European-ancestry participants: 10 risk carriers, 11 noncarriers tissue_or_cell_type: Insulin-modified IV glucose test and beta-cell modeling experimental_model: Randomized double-blind placebo-controlled crossover physiology trial limitations: Small genotype-stratified acute study published in 2026. Stronger carrier findings are not a population-wide diabetes risk estimate or evidence about all chronic formulations. exposure: 5 mg oral melatonin; five-day laboratory protocol evidence_span: {"source_cache": "artifacts/melatonin-research/42346809.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "a8e4b84650338084b0a878a3b06138c9ef65502d7f9b119877434421b5131bc6", "start_char": 0, "end_char": 1941, "text_sha256": "a8e4b84650338084b0a878a3b06138c9ef65502d7f9b119877434421b5131bc6"} [melatonin-p42346809] Melatonin Impairs Glucose Tolerance, First-Phase Insulin Secretion, and Insulin Feedback Inhibition; Interaction With MTNR1B Diabetes Risk Variant. (2026). https://pubmed.ncbi.nlm.nih.gov/42346809/ DOI: 10.2337/dc26-0164

availability_state

machinery_impairment Imported condition classification; unverified.

evidence_access

Primary abstract

experimental_model

Rat L6 myotube cytoskeleton perturbation.

limitations

Experimental machinery loss, not dietary deficiency.

nutrient_topic

Vanadium collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Vanadium

plain_language

The transport response still needed an intact cellular scaffold.

primary_references

Tyrosine phosphatase inhibitors, vanadate and pervanadate, stimulate glucose transport and GLUT translocation in muscle cells by a mechanism independent of phosphatidylinositol 3-kinase and protein kinase C. · 1998 · https://pubmed.ncbi.nlm.nih.gov/9792535/ · DOI 10.2337/diabetes.47.11.1676

trigger_kind

machinery_impairment Imported condition classification; unverified.

Vanadium: speciation, phosphate-sensitive enzymes and cross-nutrient mechanisms (2026-09-19) · lines 78–84

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Rat L6 myotube cytoskeleton perturbation. · source_derived_draft · unverified_draft

## vanadium-actin-block The transport response still needed an intact cellular scaffold. Cytochalasin D-mediated actin disassembly blocked glucose-transport stimulation by vanadate, pervanadate and insulin. Model: Rat L6 myotube cytoskeleton perturbation. Limitations: Experimental machinery loss, not dietary deficiency. Evidence access: Primary abstract Tyrosine phosphatase inhibitors, vanadate and pervanadate, stimulate glucose transport and GLUT translocation in muscle cells by a mechanism independent of phosphatidylinositol 3-kinase and protein kinase C. · 1998 · https://pubmed.ncbi.nlm.nih.gov/9792535/ · DOI 10.2337/diabetes.47.11.1676

evidence_access

Primary abstract

experimental_model

Rat L6 myotubes; related rat H9c2 experiments used tagged GLUT4.

limitations

GLUT isoforms in the L6 result are not all resolved in the accessed abstract.

nutrient_topic

Vanadium collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Vanadium

plain_language

More transporters at the surface can increase glucose entry.

primary_references

Tyrosine phosphatase inhibitors, vanadate and pervanadate, stimulate glucose transport and GLUT translocation in muscle cells by a mechanism independent of phosphatidylinositol 3-kinase and protein kinase C. · 1998 · https://pubmed.ncbi.nlm.nih.gov/9792535/ · DOI 10.2337/diabetes.47.11.1676

Vanadium: speciation, phosphate-sensitive enzymes and cross-nutrient mechanisms (2026-09-19) · lines 54–60

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Rat L6 myotubes; related rat H9c2 experiments used tagged GLUT4. · source_derived_draft · unverified_draft

## vanadium-l6-transport More transporters at the surface can increase glucose entry. Vanadate and pervanadate stimulated glucose transport and GLUT movement to the plasma membrane in rat L6 myotubes. Model: Rat L6 myotubes; related rat H9c2 experiments used tagged GLUT4. Limitations: GLUT isoforms in the L6 result are not all resolved in the accessed abstract. Evidence access: Primary abstract Tyrosine phosphatase inhibitors, vanadate and pervanadate, stimulate glucose transport and GLUT translocation in muscle cells by a mechanism independent of phosphatidylinositol 3-kinase and protein kinase C. · 1998 · https://pubmed.ncbi.nlm.nih.gov/9792535/ · DOI 10.2337/diabetes.47.11.1676

evidence_access

Primary abstract

experimental_model

Rat L6 and H9c2 cell inhibitor experiments.

limitations

Pharmacological context-specific result, not universal PI3K independence in every vanadium study.

nutrient_topic

Vanadium collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Vanadium

plain_language

The same transport outcome could be reached despite blocking a usual insulin pathway.

primary_references

Tyrosine phosphatase inhibitors, vanadate and pervanadate, stimulate glucose transport and GLUT translocation in muscle cells by a mechanism independent of phosphatidylinositol 3-kinase and protein kinase C. · 1998 · https://pubmed.ncbi.nlm.nih.gov/9792535/ · DOI 10.2337/diabetes.47.11.1676

Vanadium: speciation, phosphate-sensitive enzymes and cross-nutrient mechanisms (2026-09-19) · lines 62–68

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Rat L6 and H9c2 cell inhibitor experiments. · source_derived_draft · unverified_draft

## vanadium-pi3k-not-required The same transport outcome could be reached despite blocking a usual insulin pathway. Wortmannin inhibited measured PI3K signaling but did not block vanadate/pervanadate-stimulated glucose transport; it did block insulin-stimulated transport. Model: Rat L6 and H9c2 cell inhibitor experiments. Limitations: Pharmacological context-specific result, not universal PI3K independence in every vanadium study. Evidence access: Primary abstract Tyrosine phosphatase inhibitors, vanadate and pervanadate, stimulate glucose transport and GLUT translocation in muscle cells by a mechanism independent of phosphatidylinositol 3-kinase and protein kinase C. · 1998 · https://pubmed.ncbi.nlm.nih.gov/9792535/ · DOI 10.2337/diabetes.47.11.1676

evidence_span

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experimental_model

Transporter localization and substrate-uptake assays

exposure

Insulin, chromium picolinate and wortmannin comparisons

limitations

Membrane localization is not equivalent to transporter activity. CD36 trafficking responses to insulin and chromium were not additive; results do not show a general increase in beneficial fatty-acid disposal.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Mouse 3T3-L1 adipocytes

plain_language

Chromium affected a fatty-acid transporter as well as GLUT4, with a different response pattern.

primary_references

[chromium-p20721637] Insulin and chromium picolinate induce translocation of CD36 to the plasma membrane through different signaling pathways in 3T3-L1 adipocytes, and with a differential functionality of the CD36. (2011). https://pubmed.ncbi.nlm.nih.gov/20721637/ DOI: 10.1007/s12011-010-8809-8

tissue_or_cell_type

Plasma membrane

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 458–469

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Transporter localization and substrate-uptake assays · source_derived_draft · unverified_draft

### chromium-cd36-trafficking Chromium picolinate increased plasma-membrane CD36 localization in 3T3-L1 adipocytes; combining it with insulin did not produce additive CD36 translocation. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Chromium affected a fatty-acid transporter as well as GLUT4, with a different response pattern. organism: Mouse 3T3-L1 adipocytes tissue_or_cell_type: Plasma membrane experimental_model: Transporter localization and substrate-uptake assays limitations: Membrane localization is not equivalent to transporter activity. CD36 trafficking responses to insulin and chromium were not additive; results do not show a general increase in beneficial fatty-acid disposal. exposure: Insulin, chromium picolinate and wortmannin comparisons evidence_span: {"source_cache": "artifacts/chromium-research/20721637.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "550ce1e2898494fb6f385c11a446c6516812bffacefc4c78161fbee16adfc39f", "start_char": 0, "end_char": 1671, "text_sha256": "550ce1e2898494fb6f385c11a446c6516812bffacefc4c78161fbee16adfc39f"} [chromium-p20721637] Insulin and chromium picolinate induce translocation of CD36 to the plasma membrane through different signaling pathways in 3T3-L1 adipocytes, and with a differential functionality of the CD36. (2011). https://pubmed.ncbi.nlm.nih.gov/20721637/ DOI: 10.1007/s12011-010-8809-8

evidence_span

{"source_cache": "artifacts/chromium-research/16339278.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657", "start_char": 0, "end_char": 1949, "text_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657"}

experimental_model

GLUT4 trafficking, glucose uptake and cholesterol add-back experiments

exposure

Chromium(III) chloride or chromium picolinate; insulin stimulation and cholesterol manipulation

limitations

Cell-culture pharmacology does not establish an essential dietary function. Vesicle arrival near the membrane and actual membrane insertion are different observations; no amplification of the tested proximal insulin signals was found.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Mouse 3T3-L1 adipocytes

plain_language

Chromium exposure moved glucose transporters closer to the surface, but insulin was still needed for the functional response.

primary_references

[chromium-p16339278] Chromium activates glucose transporter 4 trafficking and enhances insulin-stimulated glucose transport in 3T3-L1 adipocytes via a cholesterol-dependent mechanism. (2006). https://pubmed.ncbi.nlm.nih.gov/16339278/ DOI: 10.1210/me.2005-0255

tissue_or_cell_type

Cultured adipocyte plasma membrane

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 315–326

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · GLUT4 trafficking, glucose uptake and cholesterol add-back experiments · source_derived_draft · unverified_draft

### chromium-chloride-glut4 The tested chloride form mobilized GLUT4-containing vesicles toward the cell surface; insulin promoted their incorporation into the plasma membrane. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Chromium exposure moved glucose transporters closer to the surface, but insulin was still needed for the functional response. organism: Mouse 3T3-L1 adipocytes tissue_or_cell_type: Cultured adipocyte plasma membrane experimental_model: GLUT4 trafficking, glucose uptake and cholesterol add-back experiments limitations: Cell-culture pharmacology does not establish an essential dietary function. Vesicle arrival near the membrane and actual membrane insertion are different observations; no amplification of the tested proximal insulin signals was found. exposure: Chromium(III) chloride or chromium picolinate; insulin stimulation and cholesterol manipulation evidence_span: {"source_cache": "artifacts/chromium-research/16339278.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657", "start_char": 0, "end_char": 1949, "text_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657"} [chromium-p16339278] Chromium activates glucose transporter 4 trafficking and enhances insulin-stimulated glucose transport in 3T3-L1 adipocytes via a cholesterol-dependent mechanism. (2006). https://pubmed.ncbi.nlm.nih.gov/16339278/ DOI: 10.1210/me.2005-0255

evidence_span

{"source_cache": "artifacts/chromium-research/9109644.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283", "start_char": 0, "end_char": 939, "text_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283"}

experimental_model

Isolated rat insulin receptor and adipocyte membrane kinase assays

exposure

Insulin activation with added low-molecular-weight chromium-binding material

limitations

Assay activity is distinct from proof of an endogenous human cofactor. The peptide preparation and its cellular origin remain disputed; chromium is not shown to be an obligatory catalytic metal of INSR.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Rat receptor; isolated chromium oligopeptide preparation

plain_language

An isolated chromium-binding preparation attached to an activated rat insulin receptor in the assay.

primary_references

[chromium-p9109644] Chromium oligopeptide activates insulin receptor tyrosine kinase activity. (1997). https://pubmed.ncbi.nlm.nih.gov/9109644/ DOI: 10.1021/bi963154t

tissue_or_cell_type

Purified receptor and membrane fragments

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 250–261

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Isolated rat insulin receptor and adipocyte membrane kinase assays · source_derived_draft · unverified_draft

### chromium-chromodulin-insr-binding The low-molecular-weight chromium-binding preparation bound insulin-activated rat insulin receptor with a reported dissociation constant near 250 pM. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: An isolated chromium-binding preparation attached to an activated rat insulin receptor in the assay. organism: Rat receptor; isolated chromium oligopeptide preparation tissue_or_cell_type: Purified receptor and membrane fragments experimental_model: Isolated rat insulin receptor and adipocyte membrane kinase assays limitations: Assay activity is distinct from proof of an endogenous human cofactor. The peptide preparation and its cellular origin remain disputed; chromium is not shown to be an obligatory catalytic metal of INSR. exposure: Insulin activation with added low-molecular-weight chromium-binding material evidence_span: {"source_cache": "artifacts/chromium-research/9109644.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283", "start_char": 0, "end_char": 939, "text_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283"} [chromium-p9109644] Chromium oligopeptide activates insulin receptor tyrosine kinase activity. (1997). https://pubmed.ncbi.nlm.nih.gov/9109644/ DOI: 10.1021/bi963154t

evidence_span

{"source_cache": "artifacts/chromium-research/9109644.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283", "start_char": 0, "end_char": 939, "text_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283"}

experimental_model

Isolated rat insulin receptor and adipocyte membrane kinase assays

exposure

Insulin activation with added low-molecular-weight chromium-binding material

limitations

Assay activity is distinct from proof of an endogenous human cofactor. The peptide preparation and its cellular origin remain disputed; chromium is not shown to be an obligatory catalytic metal of INSR.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Rat receptor; isolated chromium oligopeptide preparation

plain_language

The preparation amplified an existing insulin signal in this experiment; it did not replace insulin.

primary_references

[chromium-p9109644] Chromium oligopeptide activates insulin receptor tyrosine kinase activity. (1997). https://pubmed.ncbi.nlm.nih.gov/9109644/ DOI: 10.1021/bi963154t

tissue_or_cell_type

Purified receptor and membrane fragments

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 263–274

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Isolated rat insulin receptor and adipocyte membrane kinase assays · source_derived_draft · unverified_draft

### chromium-chromodulin-kinase-amplification Added chromium oligopeptide enhanced insulin-stimulated receptor tyrosine-kinase activity by up to eightfold in rat adipocyte membrane fragments; no enhancement occurred without insulin. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The preparation amplified an existing insulin signal in this experiment; it did not replace insulin. organism: Rat receptor; isolated chromium oligopeptide preparation tissue_or_cell_type: Purified receptor and membrane fragments experimental_model: Isolated rat insulin receptor and adipocyte membrane kinase assays limitations: Assay activity is distinct from proof of an endogenous human cofactor. The peptide preparation and its cellular origin remain disputed; chromium is not shown to be an obligatory catalytic metal of INSR. exposure: Insulin activation with added low-molecular-weight chromium-binding material evidence_span: {"source_cache": "artifacts/chromium-research/9109644.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283", "start_char": 0, "end_char": 939, "text_sha256": "23e955cef071c135f3935f440f4e333d49f494f004ceb22574df717c86bb7283"} [chromium-p9109644] Chromium oligopeptide activates insulin receptor tyrosine kinase activity. (1997). https://pubmed.ncbi.nlm.nih.gov/9109644/ DOI: 10.1021/bi963154t

evidence_span

{"source_cache": "artifacts/chromium-research/16339278.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657", "start_char": 0, "end_char": 1949, "text_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657"}

experimental_model

GLUT4 trafficking, glucose uptake and cholesterol add-back experiments

exposure

Chromium(III) chloride or chromium picolinate; insulin stimulation and cholesterol manipulation

limitations

Cell-culture pharmacology does not establish an essential dietary function. Vesicle arrival near the membrane and actual membrane insertion are different observations; no amplification of the tested proximal insulin signals was found.

nutrient_topic

Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium

organism

Mouse 3T3-L1 adipocytes

plain_language

Chromium exposure moved glucose transporters closer to the surface, but insulin was still needed for the functional response.

primary_references

[chromium-p16339278] Chromium activates glucose transporter 4 trafficking and enhances insulin-stimulated glucose transport in 3T3-L1 adipocytes via a cholesterol-dependent mechanism. (2006). https://pubmed.ncbi.nlm.nih.gov/16339278/ DOI: 10.1210/me.2005-0255

tissue_or_cell_type

Cultured adipocyte plasma membrane

Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 302–313

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · GLUT4 trafficking, glucose uptake and cholesterol add-back experiments · source_derived_draft · unverified_draft

### chromium-picolinate-glut4 The tested picolinate form mobilized GLUT4-containing vesicles toward the cell surface; insulin promoted their incorporation into the plasma membrane. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Chromium exposure moved glucose transporters closer to the surface, but insulin was still needed for the functional response. organism: Mouse 3T3-L1 adipocytes tissue_or_cell_type: Cultured adipocyte plasma membrane experimental_model: GLUT4 trafficking, glucose uptake and cholesterol add-back experiments limitations: Cell-culture pharmacology does not establish an essential dietary function. Vesicle arrival near the membrane and actual membrane insertion are different observations; no amplification of the tested proximal insulin signals was found. exposure: Chromium(III) chloride or chromium picolinate; insulin stimulation and cholesterol manipulation evidence_span: {"source_cache": "artifacts/chromium-research/16339278.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657", "start_char": 0, "end_char": 1949, "text_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657"} [chromium-p16339278] Chromium activates glucose transporter 4 trafficking and enhances insulin-stimulated glucose transport in 3T3-L1 adipocytes via a cholesterol-dependent mechanism. (2006). https://pubmed.ncbi.nlm.nih.gov/16339278/ DOI: 10.1210/me.2005-0255

availability_state

nutrient_deficiency Imported condition classification; unverified.

cross_nutrient

Potassium depletion altered carbohydrate handling; the precise cellular link remains unmeasured.

experimental_contrast

{"combination": "single", "comparator": "Before depletion in the reported clamp study", "conditions": [{"entity_slug": "potassium", "state": "Experimentally depleted"}], "effect_direction": "decrease", "endpoint": "Clamp insulin response", "intervention": "Experimental potassium depletion"} Comparison extracted from the existing source-pinned Rowe 1980 claim (PMID 6991855); no new primary full-text access in this pass. The raw supports/positive relationship is retained independently.

experimental_model

Seven healthy young men; 7-8 days, 40 mEq K/day diet plus 60 g/day sodium polystyrene sulfonate; 2-hour hyperglycemic clamp 125 mg/dL above baseline.

limitations

Seven men; diet-plus-resin exposure. No direct beta-cell channel measurement.

nutrient_topic

Potassium research collection; topical membership is not evidence of a direct dietary effect. · Potassium

organism

Human

plain_language

Depletion impaired glucose handling alongside a smaller insulin response.

primary_references

[rowe-1980-depletion] Effect of experimental potassium deficiency on glucose and insulin metabolism (1980). https://www.sciencedirect.com/science/article/pii/0026049580900748 DOI: 10.1016/0026-0495(80)90074-8

tissue_or_cell_type

Systemic glucose/insulin response

trigger_kind

nutrient_deficiency Imported condition classification; unverified.

Potassium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 834–844

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Seven healthy young men; 7-8 days, 40 mEq K/day diet plus 60 g/day sodium polystyrene sulfonate; 2-hour hyperglycemic clamp 125 mg/dL above baseline. · source_derived_draft · unverified_draft

### k-human-depletion-insulin Experimental depletion lowered clamp insulin response by 26% and glucose disposal by 27.4%; estimated tissue insulin sensitivity was unchanged. Condition category: nutrient_deficiency nutrient_topic: Potassium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Depletion impaired glucose handling alongside a smaller insulin response. organism: Human tissue_or_cell_type: Systemic glucose/insulin response experimental_model: Seven healthy young men; 7-8 days, 40 mEq K/day diet plus 60 g/day sodium polystyrene sulfonate; 2-hour hyperglycemic clamp 125 mg/dL above baseline. limitations: Seven men; diet-plus-resin exposure. No direct beta-cell channel measurement. cross_nutrient: Potassium depletion altered carbohydrate handling; the precise cellular link remains unmeasured. [rowe-1980-depletion] Effect of experimental potassium deficiency on glucose and insulin metabolism (1980). https://www.sciencedirect.com/science/article/pii/0026049580900748 DOI: 10.1016/0026-0495(80)90074-8

availability_state

nutrient_deficiency Imported condition classification; unverified.

experimental_model

Seven experimentally depleted subjects, mean deficit 326 mEq; five oral and two intravenous glucose tests, followed by repletion.

limitations

Different small subject groups, not randomized route comparison. No contradiction with a scoped clamp result.

nutrient_topic

Potassium research collection; topical membership is not evidence of a direct dietary effect. · Potassium

organism

Human

plain_language

The measured glucose effect depended on the test and was mild.

primary_references

[gorden-1973-depletion] Glucose Intolerance with Hypokalemia: Failure of Short-term Potassium Depletion in Normal Subjects to Reproduce the Glucose and Insulin Abnormalities of Clinical Hypokalemia (1973). https://diabetesjournals.org/diabetes/article-pdf/22/7/544/347377/22-7-544.pdf DOI: 10.2337/diab.22.7.544

tissue_or_cell_type

Systemic glucose regulation

trigger_kind

nutrient_deficiency Imported condition classification; unverified.

Potassium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 846–855

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Seven experimentally depleted subjects, mean deficit 326 mEq; five oral and two intravenous glucose tests, followed by repletion. · source_derived_draft · unverified_draft

### k-human-depletion-route-boundary Five depleted subjects had impaired oral glucose tolerance; two tested intravenously did not, and insulin-resistance tests were negative. Condition category: nutrient_deficiency nutrient_topic: Potassium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The measured glucose effect depended on the test and was mild. organism: Human tissue_or_cell_type: Systemic glucose regulation experimental_model: Seven experimentally depleted subjects, mean deficit 326 mEq; five oral and two intravenous glucose tests, followed by repletion. limitations: Different small subject groups, not randomized route comparison. No contradiction with a scoped clamp result. [gorden-1973-depletion] Glucose Intolerance with Hypokalemia: Failure of Short-term Potassium Depletion in Normal Subjects to Reproduce the Glucose and Insulin Abnormalities of Clinical Hypokalemia (1973). https://diabetesjournals.org/diabetes/article-pdf/22/7/544/347377/22-7-544.pdf DOI: 10.2337/diab.22.7.544

availability_state

biomarker_context Imported condition classification; unverified.

experimental_model

Prediabetes pilot, 40 mEq/day KCl, 27 completers.

limitations

Underpowered pilot; absence of significance is not proof of no effect.

nutrient_topic

Potassium research collection; topical membership is not evidence of a direct dietary effect. · Potassium

organism

Human

plain_language

The trial did not establish better glucose tolerance.

primary_references

[chatterjee-2017-pilot] Effects of potassium supplements on glucose metabolism in African Americans with prediabetes: a pilot trial (2017). https://pmc.ncbi.nlm.nih.gov/articles/PMC5698842/ DOI: 10.3945/ajcn.117.161570

tissue_or_cell_type

Systemic glucose regulation

trigger_kind

biomarker_context Imported condition classification; unverified.

Potassium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 924–933

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Prediabetes pilot, 40 mEq/day KCl, 27 completers. · source_derived_draft · unverified_draft

### k-pilot-ogtt-null The 12-week KCl pilot found no significant between-group improvement in primary glucose AUC or OGTT insulin measures. Condition category: biomarker_context nutrient_topic: Potassium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The trial did not establish better glucose tolerance. organism: Human tissue_or_cell_type: Systemic glucose regulation experimental_model: Prediabetes pilot, 40 mEq/day KCl, 27 completers. limitations: Underpowered pilot; absence of significance is not proof of no effect. [chatterjee-2017-pilot] Effects of potassium supplements on glucose metabolism in African Americans with prediabetes: a pilot trial (2017). https://pmc.ncbi.nlm.nih.gov/articles/PMC5698842/ DOI: 10.3945/ajcn.117.161570

endpoint

Beta-hydroxybutyric acid infusion lowered plasma potassium despite acidemia comparable to the HCl intervention.

experimental-exposure

Acute ketone-acid infusion with intact endocrine pancreas; redistribution-associated hypokalemia, not nutritional potassium depletion.

experimental_model

Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies.

limitations

Redistribution is supported by renal-excretion controls; hepatic uptake and hormonal causation were proposed, not definitively localized. Other organic acids were untested.

nutrient_topic

Potassium research collection; topical membership is not evidence of a direct dietary effect. · Potassium

organism

Canis lupus familiaris

plain_language

Acidemia alone did not predict the direction of blood potassium change.

primary_references

[adrogue-1985-acid-infusion] Role of the endocrine pancreas in the kalemic response to acute metabolic acidosis in conscious dogs (1985). https://www.jci.org/articles/view/111775 DOI: 10.1172/JCI111775

tissue_or_cell_type

systemic circulation

Potassium: cross-nutrient mechanisms and deficiency (2026-09-17) · lines 1177–1188

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies. · source_derived_draft · unverified_draft

### ketoacid-infusion-lowers-plasma-k Beta-hydroxybutyric acid infusion lowered plasma potassium despite acidemia comparable to the HCl intervention. Condition category: normal nutrient_topic: Potassium research collection; topical membership is not evidence of a direct dietary effect. plain_language: Acidemia alone did not predict the direction of blood potassium change. organism: Canis lupus familiaris tissue_or_cell_type: systemic circulation experimental_model: Twelve conscious dogs with portal/hepatic/systemic sampling; beta-hydroxybutyric acid 7 mEq/kg or HCl 3 mEq/kg infused over 30 minutes; additional anesthetized and obstructed-urinary-tract studies. limitations: Redistribution is supported by renal-excretion controls; hepatic uptake and hormonal causation were proposed, not definitively localized. Other organic acids were untested. experimental-exposure: Acute ketone-acid infusion with intact endocrine pancreas; redistribution-associated hypokalemia, not nutritional potassium depletion. endpoint: Beta-hydroxybutyric acid infusion lowered plasma potassium despite acidemia comparable to the HCl intervention. [adrogue-1985-acid-infusion] Role of the endocrine pancreas in the kalemic response to acute metabolic acidosis in conscious dogs (1985). https://www.jci.org/articles/view/111775 DOI: 10.1172/JCI111775

evidence_access

Primary abstract

experimental_model

Same nine men; C-peptide interpretation.

limitations

This does not identify responder genotypes or a direct insulin-receptor target.

nutrient_topic

Monosodium Glutamate (MSG) collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Monosodium L-glutamate

plain_language

The average and individual responses tell different parts of the story.

primary_references

Glutamate supplementation is associated with improved glucose metabolism following carbohydrate ingestion in healthy males. · 2013 · https://pubmed.ncbi.nlm.nih.gov/23750536/ · DOI 10.1017/S0007114513001633

Monosodium Glutamate (MSG): taste, gut sensing, exposure and cross-nutrient mechanisms (2026-09-20) · lines 66–72

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Same nine men; C-peptide interpretation. · source_derived_draft · unverified_draft

## monosodium-glutamate-insulin-heterogeneity The average and individual responses tell different parts of the story. C-peptide-based insulin secretion did not differ on average: four participants increased and five decreased in the MSG-plus-carbohydrate condition. Model: Same nine men; C-peptide interpretation. Limitations: This does not identify responder genotypes or a direct insulin-receptor target. Evidence access: Primary abstract Glutamate supplementation is associated with improved glucose metabolism following carbohydrate ingestion in healthy males. · 2013 · https://pubmed.ncbi.nlm.nih.gov/23750536/ · DOI 10.1017/S0007114513001633

evidence_access

Primary abstract

experimental_model

Controlled human intervention; ages 33–75.

limitations

This evaluates a particular purified glycoside and regimen, not every possible extract or sugar-replacement strategy.

nutrient_topic

Stevia collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Stevia

plain_language

A longer human study did not confirm a general antidiabetic effect.

primary_references

Chronic consumption of rebaudioside A, a steviol glycoside, in men and women with type 2 diabetes mellitus. · 2008 · https://pubmed.ncbi.nlm.nih.gov/18555575/ · DOI 10.1016/j.fct.2008.05.007

Stevia: glycoside metabolism, taste, ion channels and cross-nutrient mechanisms (2026-09-19) · lines 378–384

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Controlled human intervention; ages 33–75. · source_derived_draft · unverified_draft

## stevia-chronic-reba-null A longer human study did not confirm a general antidiabetic effect. A 16-week trial of 1000 mg/day rebaudioside A in 60 adults versus 62 placebo recipients with type 2 diabetes found no significant difference in HbA1c, fasting glucose, insulin or C-peptide changes. Model: Controlled human intervention; ages 33–75. Limitations: This evaluates a particular purified glycoside and regimen, not every possible extract or sugar-replacement strategy. Evidence access: Primary abstract Chronic consumption of rebaudioside A, a steviol glycoside, in men and women with type 2 diabetes mellitus. · 2008 · https://pubmed.ncbi.nlm.nih.gov/18555575/ · DOI 10.1016/j.fct.2008.05.007

evidence_access

Primary abstract

experimental_model

Acute paired crossover; four-hour blood sampling.

limitations

Small study and gram-level dose; not evidence of long-term disease treatment or of equivalence to rebaudioside A.

nutrient_topic

Stevia collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Stevia

plain_language

A small human meal trial found a glycemic effect but did not confirm every proposed hormonal route.

primary_references

Antihyperglycemic effects of stevioside in type 2 diabetic subjects. · 2004 · https://pubmed.ncbi.nlm.nih.gov/14681845/ · DOI 10.1016/j.metabol.2003.07.013

Stevia: glycoside metabolism, taste, ion channels and cross-nutrient mechanisms (2026-09-19) · lines 362–368

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Acute paired crossover; four-hour blood sampling. · source_derived_draft · unverified_draft

## stevia-meal-trial A small human meal trial found a glycemic effect but did not confirm every proposed hormonal route. In a 12-person type-2-diabetes crossover trial, adding 1 g stevioside to a meal reduced glucose incremental AUC by 18% versus maize starch, without a significant change in insulin or GLP-1 AUC. Model: Acute paired crossover; four-hour blood sampling. Limitations: Small study and gram-level dose; not evidence of long-term disease treatment or of equivalence to rebaudioside A. Evidence access: Primary abstract Antihyperglycemic effects of stevioside in type 2 diabetic subjects. · 2004 · https://pubmed.ncbi.nlm.nih.gov/14681845/ · DOI 10.1016/j.metabol.2003.07.013

availability_state

machinery_impairment Imported condition classification; unverified.

evidence_access

Primary full text; Figures 3 and 4

experimental_model

Wild-type versus Trpm5-null isolated mouse islets.

limitations

This is genetic machinery loss, not stevia deficiency; human efficacy is not inferred.

nutrient_topic

Stevia collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Stevia

plain_language

An available compound cannot reproduce this effect when the target channel is missing.

primary_references

Steviol glycosides enhance pancreatic beta-cell function and taste sensation by potentiation of TRPM5 channel activity. · 2017 · https://pubmed.ncbi.nlm.nih.gov/28361903/ · DOI 10.1038/ncomms14733

trigger_kind

machinery_impairment Imported condition classification; unverified.

Stevia: glycoside metabolism, taste, ion channels and cross-nutrient mechanisms (2026-09-19) · lines 210–216

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Wild-type versus Trpm5-null isolated mouse islets. · source_derived_draft · unverified_draft

## stevia-mouse-knockout An available compound cannot reproduce this effect when the target channel is missing. Trpm5 knockout abolished the stevioside-associated increase in glucose-driven calcium-oscillation frequency and enhancement of insulin release in mouse islets. Model: Wild-type versus Trpm5-null isolated mouse islets. Limitations: This is genetic machinery loss, not stevia deficiency; human efficacy is not inferred. Evidence access: Primary full text; Figures 3 and 4 Steviol glycosides enhance pancreatic beta-cell function and taste sensation by potentiation of TRPM5 channel activity. · 2017 · https://pubmed.ncbi.nlm.nih.gov/28361903/ · DOI 10.1038/ncomms14733

evidence_access

Primary abstract

experimental_model

Randomized open-label crossover; OGTT 19 hours after dosing.

limitations

Different molecule and test timing from the stevioside meal trial; not an automatic contradiction.

nutrient_topic

Stevia collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Stevia

plain_language

Measurable circulating metabolites did not guarantee a glucose-lowering response.

primary_references

Pharmacokinetics of Oral Rebaudioside A in Patients with Type 2 Diabetes Mellitus and Its Effects on Glucose Homeostasis: A Placebo-Controlled Crossover Trial. · 2022 · https://pubmed.ncbi.nlm.nih.gov/36057030/ · DOI 10.1007/s13318-022-00792-7

Stevia: glycoside metabolism, taste, ion channels and cross-nutrient mechanisms (2026-09-19) · lines 370–376

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Randomized open-label crossover; OGTT 19 hours after dosing. · source_derived_draft · unverified_draft

## stevia-reba-ogtt-null Measurable circulating metabolites did not guarantee a glucose-lowering response. In 30 adults with type 2 diabetes, 3 g oral rebaudioside A did not reduce two-hour OGTT glucose AUC versus placebo at the planned metabolite-peak time; insulin and C-peptide excursions were also comparable. Model: Randomized open-label crossover; OGTT 19 hours after dosing. Limitations: Different molecule and test timing from the stevioside meal trial; not an automatic contradiction. Evidence access: Primary abstract Pharmacokinetics of Oral Rebaudioside A in Patients with Type 2 Diabetes Mellitus and Its Effects on Glucose Homeostasis: A Placebo-Controlled Crossover Trial. · 2022 · https://pubmed.ncbi.nlm.nih.gov/36057030/ · DOI 10.1007/s13318-022-00792-7

evidence_access

Primary abstract

experimental_model

Sixty-minute static incubation and islet perifusion.

limitations

TRPM5 mediation was not established in this experiment; human glucose-lowering efficacy is separate.

nutrient_topic

Stevia collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Stevia

plain_language

The conjugated metabolite is not necessarily biologically inactive.

primary_references

Steviol glucuronide, a metabolite of steviol glycosides, potently stimulates insulin secretion from isolated mouse islets: Studies in vitro. · 2019 · https://pubmed.ncbi.nlm.nih.gov/31592450/ · DOI 10.1002/edm2.93

Stevia: glycoside metabolism, taste, ion channels and cross-nutrient mechanisms (2026-09-19) · lines 250–256

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Sixty-minute static incubation and islet perifusion. · source_derived_draft · unverified_draft

## stevia-svg-insulin The conjugated metabolite is not necessarily biologically inactive. Steviol glucuronide increased insulin release from isolated mouse islets, maximally at 100 nM with 16.7 mM glucose; enhancement required glucose of at least 11.1 mM in the tested range. Model: Sixty-minute static incubation and islet perifusion. Limitations: TRPM5 mediation was not established in this experiment; human glucose-lowering efficacy is separate. Evidence access: Primary abstract Steviol glucuronide, a metabolite of steviol glycosides, potently stimulates insulin secretion from isolated mouse islets: Studies in vitro. · 2019 · https://pubmed.ncbi.nlm.nih.gov/31592450/ · DOI 10.1002/edm2.93

availability_state

machinery_impairment Imported condition classification; unverified.

evidence_span

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experimental_model

Promoter assays, gene silencing and insulin-dependence experiments

exposure

Berberine with or without insulin, INSR siRNA or PKC inhibition

limitations

This insulin-dependent route does not replace insulin in insulin-deficient disease. Other models show insulin-independent routes; those observations are not discarded.

nutrient_topic

Berberine research collection; topical membership is not evidence of a direct dietary effect. · Berberine

organism

Human liver cells and separate rodent experiments

plain_language

A sensitizing signal cannot substitute for missing receptor machinery.

primary_references

[berberine-p19059538] Berberine reduces insulin resistance through protein kinase C-dependent up-regulation of insulin receptor expression. (2009). https://pubmed.ncbi.nlm.nih.gov/19059538/ DOI: 10.1016/j.metabol.2008.08.013

tissue_or_cell_type

Insulin receptor expression and glucose consumption

trigger_kind

machinery_impairment Imported condition classification; unverified.

Berberine: metabolism, nutrient connections and drug interactions (2026-09-17) · lines 506–517

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Promoter assays, gene silencing and insulin-dependence experiments · source_derived_draft · unverified_draft

### berberine-insr-loss INSR silencing diminished the insulin-dependent increase in glucose consumption associated with berberine-enhanced receptor expression. Condition category: machinery_impairment nutrient_topic: Berberine research collection; topical membership is not evidence of a direct dietary effect. plain_language: A sensitizing signal cannot substitute for missing receptor machinery. organism: Human liver cells and separate rodent experiments tissue_or_cell_type: Insulin receptor expression and glucose consumption experimental_model: Promoter assays, gene silencing and insulin-dependence experiments limitations: This insulin-dependent route does not replace insulin in insulin-deficient disease. Other models show insulin-independent routes; those observations are not discarded. exposure: Berberine with or without insulin, INSR siRNA or PKC inhibition evidence_span: {"source_cache": "artifacts/berberine-research/19059538.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "70e22b36b13efcbb36d7f27b417fe72dc96ba2f384f01a8d037bfc2d3213ef23", "start_char": 0, "end_char": 1461, "text_sha256": "70e22b36b13efcbb36d7f27b417fe72dc96ba2f384f01a8d037bfc2d3213ef23"} [berberine-p19059538] Berberine reduces insulin resistance through protein kinase C-dependent up-regulation of insulin receptor expression. (2009). https://pubmed.ncbi.nlm.nih.gov/19059538/ DOI: 10.1016/j.metabol.2008.08.013

evidence_access

Primary abstract

experimental_model

Wethers; 20-minute intravenous infusion at 0.05 or 0.1 mmol/kg/min.

limitations

This does not establish improved insulin sensitivity or a desirable human metabolic outcome.

nutrient_topic

D-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · D-Aspartate

plain_language

Hormone concentrations changed without a demonstrated glucose improvement.

primary_references

D-aspartate stimulates growth hormone secretion in wethers. · 2024 · https://pubmed.ncbi.nlm.nih.gov/39432441/ · DOI 10.1093/jas/skae318

D-Aspartate: synthesis, clearance, neural and endocrine mechanisms (2026-09-19) · lines 424–430

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Wethers; 20-minute intravenous infusion at 0.05 or 0.1 mmol/kg/min. · source_derived_draft · unverified_draft

## d-aspartate-sheep-insulin Hormone concentrations changed without a demonstrated glucose improvement. Both D-aspartate infusion doses reduced plasma insulin; glucose and circulating catecholamines did not significantly change. Model: Wethers; 20-minute intravenous infusion at 0.05 or 0.1 mmol/kg/min. Limitations: This does not establish improved insulin sensitivity or a desirable human metabolic outcome. Evidence access: Primary abstract D-aspartate stimulates growth hormone secretion in wethers. · 2024 · https://pubmed.ncbi.nlm.nih.gov/39432441/ · DOI 10.1093/jas/skae318

cross_nutrient

Insulin (test_signal)

evidence_span

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experimental_model

Randomized double-blind trial; 25 overweight or obese postmenopausal women with prediabetes completed

exposure

NMN 250 mg/day for 10 weeks; 13 NMN and 12 placebo participants

limitations

Small selected female cohort. Tissue NAD concentration, NAD turnover and clinical outcomes differ. No lifespan or diabetes-prevention endpoint. Positive muscle findings do not establish whole-body or cross-population benefit.

nutrient_topic

Niacin research collection; topical membership is not evidence of a direct dietary effect. · Niacin (vitamin B3)

organism

Homo sapiens

plain_language

In this small group of women, muscle responded better to insulin during the clamp test.

primary_references

[nia-clin-yoshino2021] Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. (2021). https://pubmed.ncbi.nlm.nih.gov/33888596/ DOI: 10.1126/science.abe9985

tissue_or_cell_type

Skeletal muscle, PBMCs, liver and adipose insulin sensitivity

Niacin: NAD metabolism, deficiency and nutrient interactions (2026-09-17) · lines 1487–1499

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Randomized double-blind trial; 25 overweight or obese postmenopausal women with prediabetes completed · source_derived_draft · unverified_draft

### nia-clin-nmn-muscle-insulin Insulin-stimulated glucose disposal per kg fat-free mass increased by 25±7% after ten weeks of NMN, while the placebo group showed no corresponding change. Condition category: normal nutrient_topic: Niacin research collection; topical membership is not evidence of a direct dietary effect. plain_language: In this small group of women, muscle responded better to insulin during the clamp test. organism: Homo sapiens tissue_or_cell_type: Skeletal muscle, PBMCs, liver and adipose insulin sensitivity experimental_model: Randomized double-blind trial; 25 overweight or obese postmenopausal women with prediabetes completed limitations: Small selected female cohort. Tissue NAD concentration, NAD turnover and clinical outcomes differ. No lifespan or diabetes-prevention endpoint. Positive muscle findings do not establish whole-body or cross-population benefit. exposure: NMN 250 mg/day for 10 weeks; 13 NMN and 12 placebo participants cross_nutrient: Insulin (test_signal) evidence_span: {"source_cache": "artifacts/niacin-clinical-sources/yoshino2021.txt", "locator": "Primary full report; exact character range, zero-based and end-exclusive", "file_sha256": "e4999dc5b9d3392d8180280727c424044b35249bb24c999c3bc863cd23e6c856", "start_char": 6120, "end_char": 7140, "text_sha256": "152262160f005f7aac5e078287acca1db556d35a8645d8892492723992dec2dc"} [nia-clin-yoshino2021] Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. (2021). https://pubmed.ncbi.nlm.nih.gov/33888596/ DOI: 10.1126/science.abe9985

cross_nutrient

Insulin (stimulus)

evidence_span

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experimental_model

Randomized double-blind trial; 25 overweight or obese postmenopausal women with prediabetes completed

exposure

NMN 250 mg/day for 10 weeks; 13 NMN and 12 placebo participants

limitations

Small selected female cohort. Tissue NAD concentration, NAD turnover and clinical outcomes differ. No lifespan or diabetes-prevention endpoint. Positive muscle findings do not establish whole-body or cross-population benefit.

nutrient_topic

Niacin research collection; topical membership is not evidence of a direct dietary effect. · Niacin (vitamin B3)

organism

Homo sapiens

plain_language

The muscle response was accompanied by changes in insulin-signaling proteins.

primary_references

[nia-clin-yoshino2021] Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. (2021). https://pubmed.ncbi.nlm.nih.gov/33888596/ DOI: 10.1126/science.abe9985

tissue_or_cell_type

Skeletal muscle, PBMCs, liver and adipose insulin sensitivity

Niacin: NAD metabolism, deficiency and nutrient interactions (2026-09-17) · lines 1501–1513

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Randomized double-blind trial; 25 overweight or obese postmenopausal women with prediabetes completed · source_derived_draft · unverified_draft

### nia-clin-nmn-muscle-signal Muscle insulin-stimulated AKT and mTOR phosphorylation and total abundance increased after NMN but not placebo. Condition category: normal nutrient_topic: Niacin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The muscle response was accompanied by changes in insulin-signaling proteins. organism: Homo sapiens tissue_or_cell_type: Skeletal muscle, PBMCs, liver and adipose insulin sensitivity experimental_model: Randomized double-blind trial; 25 overweight or obese postmenopausal women with prediabetes completed limitations: Small selected female cohort. Tissue NAD concentration, NAD turnover and clinical outcomes differ. No lifespan or diabetes-prevention endpoint. Positive muscle findings do not establish whole-body or cross-population benefit. exposure: NMN 250 mg/day for 10 weeks; 13 NMN and 12 placebo participants cross_nutrient: Insulin (stimulus) evidence_span: {"source_cache": "artifacts/niacin-clinical-sources/yoshino2021.txt", "locator": "Primary full report; exact character range, zero-based and end-exclusive", "file_sha256": "e4999dc5b9d3392d8180280727c424044b35249bb24c999c3bc863cd23e6c856", "start_char": 7141, "end_char": 7815, "text_sha256": "31871685ed5bb9ceb845b035d50807218311c0fad543f690e5ab924ba9872d0d"} [nia-clin-yoshino2021] Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. (2021). https://pubmed.ncbi.nlm.nih.gov/33888596/ DOI: 10.1126/science.abe9985

evidence_span

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experimental_model

GPR43-deficient and adipose-overexpressing mice, raised conventionally, germ-free and after antibiotics

exposure

Normal and high-fat diet, with germ-free rearing and antibiotic treatment as controls

limitations

The germ-free control is what ties the receptor phenotype to microbial short-chain fatty acids rather than to the receptor alone. The receptor senses all short-chain fatty acids, not acetate specifically.

nutrient_topic

Acetic acid research collection; topical membership is not evidence of a direct clinical effect, and the ingested acid is recorded separately from the circulating acetate anion. · Acetic acid

organism

Mouse

plain_language

The signal tells fat cells to stop taking on more, and sends the fuel elsewhere.

primary_references

[acetate-p23652017] The gut microbiota suppresses insulin-mediated fat accumulation via the short-chain fatty acid receptor GPR43. (2013). https://pubmed.ncbi.nlm.nih.gov/23652017/ DOI: 10.1038/ncomms2852

tissue_or_cell_type

Adipose tissue and whole body

Acetic acid: the ingested acid, the receptors acetate binds, the acetyl-CoA it becomes, and the acetyl groups that reach histones (2026-09-21) · lines 264–275

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · GPR43-deficient and adipose-overexpressing mice, raised conventionally, germ-free and after antibiotics · source_derived_draft · unverified_draft

### acetate-ffar2-insulin-signalling Short-chain fatty acid-mediated activation of GPR43 suppressed insulin signalling in adipocytes, which inhibited fat accumulation in adipose tissue and promoted the metabolism of unincorporated lipids and glucose in other tissues, establishing GPR43 as a sensor for excessive dietary energy. Condition category: normal nutrient_topic: Acetic acid research collection; topical membership is not evidence of a direct clinical effect, and the ingested acid is recorded separately from the circulating acetate anion. plain_language: The signal tells fat cells to stop taking on more, and sends the fuel elsewhere. organism: Mouse tissue_or_cell_type: Adipose tissue and whole body experimental_model: GPR43-deficient and adipose-overexpressing mice, raised conventionally, germ-free and after antibiotics limitations: The germ-free control is what ties the receptor phenotype to microbial short-chain fatty acids rather than to the receptor alone. The receptor senses all short-chain fatty acids, not acetate specifically. exposure: Normal and high-fat diet, with germ-free rearing and antibiotic treatment as controls evidence_span: {"source_cache": "artifacts/acetate-research/23652017.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "52bcd2cce838e217b7115f23092863912a2fad5dbece809485fa06c9c06d8d60", "start_char": 0, "end_char": 1122, "text_sha256": "52bcd2cce838e217b7115f23092863912a2fad5dbece809485fa06c9c06d8d60"} [acetate-p23652017] The gut microbiota suppresses insulin-mediated fat accumulation via the short-chain fatty acid receptor GPR43. (2013). https://pubmed.ncbi.nlm.nih.gov/23652017/ DOI: 10.1038/ncomms2852

evidence_span

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experimental_model

Rats meal-fed once daily for 10 days, then sampled 4, 8 or 24 hours after feeding

exposure

0.7 g/kg-diet acetic acid in a 9 g meal, with sampling across the daily cycle

limitations

Adds the time dimension that single-timepoint studies miss. The effects were present at 4 hours and the authors explicitly rule out supercompensation.

nutrient_topic

Acetic acid research collection; topical membership is not evidence of a direct clinical effect, and the ingested acid is recorded separately from the circulating acetate anion. · Acetic acid

organism

Rat

plain_language

The brake on fat burning came off for a few hours.

primary_references

[acetate-p16277773] Effect of acetic acid feeding on the circadian changes in glycogen and metabolites of glucose and lipid in liver and skeletal muscle of rats. (2005). https://pubmed.ncbi.nlm.nih.gov/16277773/ DOI: 10.1079/bjn20051545

tissue_or_cell_type

Liver and skeletal muscle

Acetic acid: the ingested acid, the receptors acetate binds, the acetyl-CoA it becomes, and the acetyl groups that reach histones (2026-09-21) · lines 472–483

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Rats meal-fed once daily for 10 days, then sampled 4, 8 or 24 hours after feeding · source_derived_draft · unverified_draft

### acetate-malonyl-coa-fall At 4 hours after feeding, liver malonyl-CoA, an allosteric inhibitor of carnitine palmitoyl-transferase, was significantly lower in the acetic acid group than in the control group, along with a lower serum lactate concentration and a lower ratio of insulin to glucagon, indicating the possibility of a transient enhancement of fatty acid oxidation in liver. Condition category: normal nutrient_topic: Acetic acid research collection; topical membership is not evidence of a direct clinical effect, and the ingested acid is recorded separately from the circulating acetate anion. plain_language: The brake on fat burning came off for a few hours. organism: Rat tissue_or_cell_type: Liver and skeletal muscle experimental_model: Rats meal-fed once daily for 10 days, then sampled 4, 8 or 24 hours after feeding limitations: Adds the time dimension that single-timepoint studies miss. The effects were present at 4 hours and the authors explicitly rule out supercompensation. exposure: 0.7 g/kg-diet acetic acid in a 9 g meal, with sampling across the daily cycle evidence_span: {"source_cache": "artifacts/acetate-research/16277773.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "305aa81aca9908a350132a7c7dcc42c86be0b6030c70f51b5fe0c8971e75bcfe", "start_char": 0, "end_char": 1594, "text_sha256": "305aa81aca9908a350132a7c7dcc42c86be0b6030c70f51b5fe0c8971e75bcfe"} [acetate-p16277773] Effect of acetic acid feeding on the circadian changes in glycogen and metabolites of glucose and lipid in liver and skeletal muscle of rats. (2005). https://pubmed.ncbi.nlm.nih.gov/16277773/ DOI: 10.1079/bjn20051545

evidence_span

{"source_cache": "artifacts/cold-research/21803297.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "59c9610242aa276de795dd00e2855d10444505f6005a87b85bc058cd564a7e52", "start_char": 0, "end_char": 997, "text_sha256": "59c9610242aa276de795dd00e2855d10444505f6005a87b85bc058cd564a7e52"}

experimental_model

PET-CT of glucose uptake and perfusion in human brown and white adipose tissue with gene expression

exposure

Cold activation compared with insulin stimulation

limitations

The cold and insulin arms are separated deliberately, which shows the tissue has two distinct activation modes.

nutrient_topic

Cold water immersion research collection; topical membership is not evidence of a direct clinical effect, and a therapeutic exposure is not a dietary intake. · Cold water immersion

organism

Human

plain_language

Cold makes the tissue take up fuel and open its blood supply; insulin only does the first.

primary_references

[cold-p21803297] Different metabolic responses of human brown adipose tissue to activation by cold and insulin. (2011). https://pubmed.ncbi.nlm.nih.gov/21803297/ DOI: 10.1016/j.cmet.2011.06.012

tissue_or_cell_type

Brown and white adipose tissue

Cold water immersion: cold sensing, heat production, the catecholamine axis and what repeated exposure changes (2026-09-19) · lines 299–310

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · PET-CT of glucose uptake and perfusion in human brown and white adipose tissue with gene expression · source_derived_draft · unverified_draft

### cold-bat-cold-versus-insulin Cold induced a 12-fold increase in brown adipose tissue glucose uptake accompanied by a doubling of perfusion, with whole-body energy expenditure positively associated with perfusion, whereas insulin enhanced glucose uptake 5-fold independently of perfusion. Condition category: normal nutrient_topic: Cold water immersion research collection; topical membership is not evidence of a direct clinical effect, and a therapeutic exposure is not a dietary intake. plain_language: Cold makes the tissue take up fuel and open its blood supply; insulin only does the first. organism: Human tissue_or_cell_type: Brown and white adipose tissue experimental_model: PET-CT of glucose uptake and perfusion in human brown and white adipose tissue with gene expression limitations: The cold and insulin arms are separated deliberately, which shows the tissue has two distinct activation modes. exposure: Cold activation compared with insulin stimulation evidence_span: {"source_cache": "artifacts/cold-research/21803297.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "59c9610242aa276de795dd00e2855d10444505f6005a87b85bc058cd564a7e52", "start_char": 0, "end_char": 997, "text_sha256": "59c9610242aa276de795dd00e2855d10444505f6005a87b85bc058cd564a7e52"} [cold-p21803297] Different metabolic responses of human brown adipose tissue to activation by cold and insulin. (2011). https://pubmed.ncbi.nlm.nih.gov/21803297/ DOI: 10.1016/j.cmet.2011.06.012

evidence_span

{"source_cache": "artifacts/cold-research/28945846.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "b399b9e904d28b07a332dbd1664fec903eac6427cb2ea9c9e53d8b3a44d0d6fe", "start_char": 0, "end_char": 1937, "text_sha256": "b399b9e904d28b07a332dbd1664fec903eac6427cb2ea9c9e53d8b3a44d0d6fe"}

experimental_model

Fifteen healthy men in a cross-balanced repeated within-subject study with a water-perfused suit

exposure

Moderate cold at 18.06 degrees C with shivering excluded, versus thermoneutral 22 degrees C

limitations

Shivering was deliberately excluded, so the effect is attributable to non-shivering mechanisms. First-phase insulin response was unchanged, separating sensitivity from secretion.

nutrient_topic

Cold water immersion research collection; topical membership is not evidence of a direct clinical effect, and a therapeutic exposure is not a dietary intake. · Cold water immersion

organism

Human

plain_language

Cold improved how the body handles glucose without changing how much insulin the pancreas released.

primary_references

[cold-p28945846] Cold-Induced Brown Adipose Tissue Activity Alters Plasma Fatty Acids and Improves Glucose Metabolism in Men. (2017). https://pubmed.ncbi.nlm.nih.gov/28945846/ DOI: 10.1210/jc.2017-01250

tissue_or_cell_type

Brown adipose tissue and whole body

Cold water immersion: cold sensing, heat production, the catecholamine axis and what repeated exposure changes (2026-09-19) · lines 884–895

AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Fifteen healthy men in a cross-balanced repeated within-subject study with a water-perfused suit · source_derived_draft · unverified_draft

### cold-cold-glucose-uptake-men Cold exposure that induced brown adipose activity raised plasma noradrenaline and dopamine and improved peripheral glucose uptake and insulin sensitivity by about 20%, while first-phase insulin response remained stable and specific plasma fatty acids changed, with lignoceric acid rising and eicosanoic, nervonic and behenic acids falling. Condition category: normal nutrient_topic: Cold water immersion research collection; topical membership is not evidence of a direct clinical effect, and a therapeutic exposure is not a dietary intake. plain_language: Cold improved how the body handles glucose without changing how much insulin the pancreas released. organism: Human tissue_or_cell_type: Brown adipose tissue and whole body experimental_model: Fifteen healthy men in a cross-balanced repeated within-subject study with a water-perfused suit limitations: Shivering was deliberately excluded, so the effect is attributable to non-shivering mechanisms. First-phase insulin response was unchanged, separating sensitivity from secretion. exposure: Moderate cold at 18.06 degrees C with shivering excluded, versus thermoneutral 22 degrees C evidence_span: {"source_cache": "artifacts/cold-research/28945846.abstract.txt", "locator": "Indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "b399b9e904d28b07a332dbd1664fec903eac6427cb2ea9c9e53d8b3a44d0d6fe", "start_char": 0, "end_char": 1937, "text_sha256": "b399b9e904d28b07a332dbd1664fec903eac6427cb2ea9c9e53d8b3a44d0d6fe"} [cold-p28945846] Cold-Induced Brown Adipose Tissue Activity Alters Plasma Fatty Acids and Improves Glucose Metabolism in Men. (2017). https://pubmed.ncbi.nlm.nih.gov/28945846/ DOI: 10.1210/jc.2017-01250

evidence_access

Primary abstract

experimental_model

Animal feeding experiments.

limitations

Exact duration and systemic dose not supplied by accessed abstract; do not infer ordinary human intake.

nutrient_topic

Aspartame collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Aspartame

plain_language

A neural or hormonal route can differ from metabolite toxicity.

primary_references

Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

Aspartame: digestion, taste, metabolite dependencies and experimental signaling (2026-09-20) · lines 242–248

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Animal feeding experiments. · source_derived_draft · unverified_draft

## aspartame-animal-insulin A neural or hormonal route can differ from metabolite toxicity. The study reported increased insulin secretion with 0.15% aspartame in mice and monkeys. Model: Animal feeding experiments. Limitations: Exact duration and systemic dose not supplied by accessed abstract; do not infer ordinary human intake. Evidence access: Primary abstract Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

evidence_access

Primary abstract

experimental_model

ApoE-deficient mouse feeding study.

limitations

Not a human cardiovascular risk estimate.

nutrient_topic

Aspartame collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Aspartame

plain_language

A susceptible vascular model produced a disease endpoint.

primary_references

Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

Aspartame: digestion, taste, metabolite dependencies and experimental signaling (2026-09-20) · lines 258–264

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · ApoE-deficient mouse feeding study. · source_derived_draft · unverified_draft

## aspartame-plaque-feeding A susceptible vascular model produced a disease endpoint. Sustained aspartame feeding aggravated plaque formation in ApoE-null mice. Model: ApoE-deficient mouse feeding study. Limitations: Not a human cardiovascular risk estimate. Evidence access: Primary abstract Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

availability_state

machinery_impairment Imported condition classification; unverified.

evidence_access

Primary abstract

experimental_model

Animal surgical perturbation in the feeding study.

limitations

Does not uniquely identify the initial sweet receptor.

nutrient_topic

Aspartame collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · Aspartame

plain_language

Interrupting the nerve route interrupted the hormone response.

primary_references

Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

trigger_kind

machinery_impairment Imported condition classification; unverified.

Aspartame: digestion, taste, metabolite dependencies and experimental signaling (2026-09-20) · lines 250–256

AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Animal surgical perturbation in the feeding study. · source_derived_draft · unverified_draft

## aspartame-vagotomy-gate Interrupting the nerve route interrupted the hormone response. Subdiaphragmatic vagotomy abolished the aspartame-associated insulin rise in the reported experiment. Model: Animal surgical perturbation in the feeding study. Limitations: Does not uniquely identify the initial sweet receptor. Evidence access: Primary abstract Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation. · 2025 · https://pubmed.ncbi.nlm.nih.gov/39978336/ · DOI 10.1016/j.cmet.2025.01.006

dose

Phlorizin sufficient to normalize blood glucose

duration

Chronic normalization interval

evidence_access

Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

evidence_scope

literature_reviewed; model-specific source-derived curation

experimental_model

Ninety-percent-pancreatectomized diabetic rats and isolated adipocytes

limitations

Restored function without restored expression points to ambient-glucose effects; it does not identify a direct phlorizin target in adipocytes.

nutrient_topic

Phlorizin chapter; interacting nutrients, drugs, peptides and proteins retain their experimental settings. · Phlorizin

organism

Ninety-percent-pancreatectomized diabetic rats and isolated adipocytes

plain_language

Phlorizin normalization of glycemia restored adipocyte insulin-stimulated glucose transport and whole-body disposal despite persistently reduced transporter protein and mRNA.

primary_references

Normalization of blood glucose in diabetic rats with phlorizin treatment reverses insulin-resistant glucose transport in adipose cells without restoring glucose transporter gene expression. (1991). https://pubmed.ncbi.nlm.nih.gov/1991839/ DOI: 10.1172/JCI115031

route

In vivo treatment followed by ex-vivo cells

tissue

Glucose clamps, 3-O-methylglucose transport and transporter expression

Phlorizin: mechanism of action and interactions (2026-09-20) · lines 110–119

Original AI-assisted source-specific curation with primary-study citations, model, exposure, route, duration, negative findings and limitations preserved. Not publisher full text. · supports · Ninety-percent-pancreatectomized diabetic rats and isolated adipocytes · source_derived_draft · unverified_draft

## phlorizin-adipocyte-transport-restoration Phlorizin normalization of glycemia restored adipocyte insulin-stimulated glucose transport and whole-body disposal despite persistently reduced transporter protein and mRNA. Model/species: Ninety-percent-pancreatectomized diabetic rats and isolated adipocytes Tissue/system: Glucose clamps, 3-O-methylglucose transport and transporter expression Exposure: Phlorizin sufficient to normalize blood glucose Route: In vivo treatment followed by ex-vivo cells Duration: Chronic normalization interval Limits: Restored function without restored expression points to ambient-glucose effects; it does not identify a direct phlorizin target in adipocytes. Primary reference: Normalization of blood glucose in diabetic rats with phlorizin treatment reverses insulin-resistant glucose transport in adipose cells without restoring glucose transporter gene expression. (1991). https://pubmed.ncbi.nlm.nih.gov/1991839/ DOI: 10.1172/JCI115031 Access: Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

dose

Chronic phlorizin by osmotic minipump

duration

4 weeks

evidence_access

Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

evidence_scope

literature_reviewed; model-specific source-derived curation

experimental_model

Adult rats with neonatal-streptozotocin-induced diabetes

limitations

The study supports reversal of glucose toxicity in this rat model, not direct insulin-receptor agonism or human use.

nutrient_topic

Phlorizin chapter; interacting nutrients, drugs, peptides and proteins retain their experimental settings. · Phlorizin

organism

Adult rats with neonatal-streptozotocin-induced diabetes

plain_language

Four weeks of phlorizin lowered hyperglycemia and normalized clamp-measured hepatic and peripheral insulin action in neonatal-streptozotocin diabetic rats without changing insulin secretion or pancreatic insulin content.

primary_references

Insulin resistance in rats with non-insulin-dependent diabetes induced by neonatal (5 days) streptozotocin: evidence for reversal following phlorizin treatment. (1990). https://pubmed.ncbi.nlm.nih.gov/2198430/ DOI: 10.1016/0026-0495(90)90120-2

route

Parenteral infusion

tissue

Euglycemic-hyperinsulinemic clamp and insulin secretion

Phlorizin: mechanism of action and interactions (2026-09-20) · lines 99–108

Original AI-assisted source-specific curation with primary-study citations, model, exposure, route, duration, negative findings and limitations preserved. Not publisher full text. · supports · Adult rats with neonatal-streptozotocin-induced diabetes · source_derived_draft · unverified_draft

## phlorizin-diabetic-rat-insulin-sensitivity Four weeks of phlorizin lowered hyperglycemia and normalized clamp-measured hepatic and peripheral insulin action in neonatal-streptozotocin diabetic rats without changing insulin secretion or pancreatic insulin content. Model/species: Adult rats with neonatal-streptozotocin-induced diabetes Tissue/system: Euglycemic-hyperinsulinemic clamp and insulin secretion Exposure: Chronic phlorizin by osmotic minipump Route: Parenteral infusion Duration: 4 weeks Limits: The study supports reversal of glucose toxicity in this rat model, not direct insulin-receptor agonism or human use. Primary reference: Insulin resistance in rats with non-insulin-dependent diabetes induced by neonatal (5 days) streptozotocin: evidence for reversal following phlorizin treatment. (1990). https://pubmed.ncbi.nlm.nih.gov/2198430/ DOI: 10.1016/0026-0495(90)90120-2 Access: Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

dose

Millimolar phlorizin with or without insulin

duration

Acute

evidence_access

Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

evidence_scope

literature_reviewed; model-specific source-derived curation

experimental_model

Isolated surviving rat diaphragm

limitations

This high-concentration extra-renal effect does not represent selective SGLT2 inhibition or typical human exposure.

nutrient_topic

Phlorizin chapter; interacting nutrients, drugs, peptides and proteins retain their experimental settings. · Phlorizin

organism

Isolated surviving rat diaphragm

plain_language

Millimolar phlorizin inhibited glucose transport in isolated rat diaphragm with and without insulin and added a smaller inhibition of glycogen synthesis.

primary_references

The combined action of insulin and phlorizin on transport and metabolism of sugars and nucleotide turnover in the isolated rat diaphragm. (1977). https://pubmed.ncbi.nlm.nih.gov/889936/ DOI: 10.1016/s0300-9084(77)80058-8

route

Ex vivo

tissue

Sugar transport, glycogen synthesis and nucleotide turnover

Phlorizin: mechanism of action and interactions (2026-09-20) · lines 121–130

Original AI-assisted source-specific curation with primary-study citations, model, exposure, route, duration, negative findings and limitations preserved. Not publisher full text. · supports · Isolated surviving rat diaphragm · source_derived_draft · unverified_draft

## phlorizin-insulin-diaphragm Millimolar phlorizin inhibited glucose transport in isolated rat diaphragm with and without insulin and added a smaller inhibition of glycogen synthesis. Model/species: Isolated surviving rat diaphragm Tissue/system: Sugar transport, glycogen synthesis and nucleotide turnover Exposure: Millimolar phlorizin with or without insulin Route: Ex vivo Duration: Acute Limits: This high-concentration extra-renal effect does not represent selective SGLT2 inhibition or typical human exposure. Primary reference: The combined action of insulin and phlorizin on transport and metabolism of sugars and nucleotide turnover in the isolated rat diaphragm. (1977). https://pubmed.ncbi.nlm.nih.gov/889936/ DOI: 10.1016/s0300-9084(77)80058-8 Access: Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.

dose

HFCS or sucrose beverages with 3 isocaloric meals; exact sugar allocation not recovered from primary abstract

duration

24-hour profiles

evidence_access

Primary abstract/metadata; unrecovered methods explicitly retained.

evidence_scope

literature_reviewed; source-specific curation

experimental_model

34 adults in crossover meal study; 8 men also received pure monosaccharides

exposure_scope

Direct HFCS versus sucrose

limitations

Short feeding study; eight-man fructose/glucose comparison is a subset and does not establish long-term equivalence or appetite control.

nutrient_topic

HFCS chapter: actual formulation studies, component biochemistry and interventions are explicitly distinguished. · High-Fructose Corn Syrup / HFCS

organism

34 adults in crossover meal study; 8 men also received pure monosaccharides

plain_language

HFCS and sucrose produced similar 24-hour insulin profiles with isocaloric meals.

primary_references

Twenty-four-hour endocrine and metabolic profiles following consumption of high-fructose corn syrup-, sucrose-, fructose-, and glucose-sweetened beverages with meals. (2008). https://pubmed.ncbi.nlm.nih.gov/18469239/ DOI: 10.1093/ajcn/87.5.1194

route

Oral beverages with meals

tissue

24-hour endocrine and triglyceride profiles

High-Fructose Corn Syrup: mechanism of action and metabolic impact (2026-09-20) · lines 353–363

Original AI-assisted curation of twenty primary studies and official FDA composition information, with one reused canonical glucose-transport claim. Study-specific citations, negative findings and limitations retained. Not publisher full text. · supports · 34 adults in crossover meal study; 8 men also received pure monosaccharides · source_derived_draft · unverified_draft

## hfcs-acute-insulin HFCS and sucrose produced similar 24-hour insulin profiles with isocaloric meals. Model/species: 34 adults in crossover meal study; 8 men also received pure monosaccharides Tissue: 24-hour endocrine and triglyceride profiles Exposure: HFCS or sucrose beverages with 3 isocaloric meals; exact sugar allocation not recovered from primary abstract Route: Oral beverages with meals Duration: 24-hour profiles Exposure scope: Direct HFCS versus sucrose Limits: Short feeding study; eight-man fructose/glucose comparison is a subset and does not establish long-term equivalence or appetite control. Reference: Twenty-four-hour endocrine and metabolic profiles following consumption of high-fructose corn syrup-, sucrose-, fructose-, and glucose-sweetened beverages with meals. (2008). https://pubmed.ncbi.nlm.nih.gov/18469239/ DOI: 10.1093/ajcn/87.5.1194 Access: Primary abstract/metadata; unrecovered methods explicitly retained.

dose

HFCS-55 or sucrose at 25% energy requirement versus aspartame; HFCS n=28, sucrose n=24, control n=23

duration

16 days of beverages, approximately 2 weeks

evidence_access

Primary full-text methods/results and metadata inspected.

evidence_scope

literature_reviewed; source-specific curation

experimental_model

75 adults in nonrandomized double-blinded matched beverage groups

exposure_scope

Direct HFCS-55 comparison

limitations

No random assignment; 66 paired MRI scans, including 23 HFCS. Liver-fat HFCS significance was versus baseline, not established versus aspartame. No detected HFCS-sucrose difference is not universal equivalence. HFCS/control lipid data overlap PMID 25904601.

nutrient_topic

HFCS chapter: actual formulation studies, component biochemistry and interventions are explicitly distinguished. · High-Fructose Corn Syrup / HFCS

organism

75 adults in nonrandomized double-blinded matched beverage groups

plain_language

HFCS beverages reduced Matsuda insulin sensitivity compared with aspartame in the matched-group intervention.

primary_references

Consuming Sucrose- or HFCS-sweetened Beverages Increases Hepatic Lipid and Decreases Insulin Sensitivity in Adults. (2021). https://pubmed.ncbi.nlm.nih.gov/34265055/ DOI: 10.1210/clinem/dgab508

route

Oral 3 servings/day; usual diet outpatient, isocaloric substitutions during inpatient testing

tissue

MRI liver fat, oral-glucose-derived sensitivity, plasma markers

High-Fructose Corn Syrup: mechanism of action and metabolic impact (2026-09-20) · lines 329–339

Original AI-assisted curation of twenty primary studies and official FDA composition information, with one reused canonical glucose-transport claim. Study-specific citations, negative findings and limitations retained. Not publisher full text. · supports · 75 adults in nonrandomized double-blinded matched beverage groups · source_derived_draft · unverified_draft

## hfcs-insulin-sensitivity HFCS beverages reduced Matsuda insulin sensitivity compared with aspartame in the matched-group intervention. Model/species: 75 adults in nonrandomized double-blinded matched beverage groups Tissue: MRI liver fat, oral-glucose-derived sensitivity, plasma markers Exposure: HFCS-55 or sucrose at 25% energy requirement versus aspartame; HFCS n=28, sucrose n=24, control n=23 Route: Oral 3 servings/day; usual diet outpatient, isocaloric substitutions during inpatient testing Duration: 16 days of beverages, approximately 2 weeks Exposure scope: Direct HFCS-55 comparison Limits: No random assignment; 66 paired MRI scans, including 23 HFCS. Liver-fat HFCS significance was versus baseline, not established versus aspartame. No detected HFCS-sucrose difference is not universal equivalence. HFCS/control lipid data overlap PMID 25904601. Reference: Consuming Sucrose- or HFCS-sweetened Beverages Increases Hepatic Lipid and Decreases Insulin Sensitivity in Adults. (2021). https://pubmed.ncbi.nlm.nih.gov/34265055/ DOI: 10.1210/clinem/dgab508 Access: Primary full-text methods/results and metadata inspected.

dose

Sucrose or HFCS beverages at 25% of energy requirement versus aspartame, 3 servings/day

duration

16 days, approximately two weeks

evidence_access

Primary full-text methods/results and metadata inspected.

evidence_scope

literature_reviewed; source-specific curation

experimental_model

75 adults in nonrandomized double-blind matched groups; sucrose n=24, HFCS n=28, aspartame n=23

exposure_scope

Direct sucrose beverage comparison

limitations

Nonrandomized; paired MRI n=23 sucrose, 23 HFCS, 20 control. Outpatient calories not clamped; weight adjustment does not establish calorie independence. HFCS/control participants and some plasma outcomes overlap PMID 25904601. Short biomarkers are not clinical disease incidence.

nutrient_topic

Sucrose chapter; direct sucrose observations are distinguished from shared component metabolism. · Sucrose

organism

75 adults in nonrandomized double-blind matched groups; sucrose n=24, HFCS n=28, aspartame n=23

plain_language

Sucrose beverages reduced Matsuda insulin sensitivity compared with aspartame in the matched-group intervention.

primary_references

Consuming Sucrose- or HFCS-sweetened Beverages Increases Hepatic Lipid and Decreases Insulin Sensitivity in Adults. (2021). https://pubmed.ncbi.nlm.nih.gov/34265055/ DOI: 10.1210/clinem/dgab508

route

Oral beverages; outpatient usual diet, controlled inpatient meal substitutions

tissue

MRI liver fat, OGTT-derived insulin sensitivity and plasma markers

Sucrose: mechanism of action and metabolic impact (2026-09-20) · lines 343–353

Original AI-assisted source-specific sucrose curation with shared canonical claims retained by identity. Primary-study citations, negative findings, exposure details and limitations preserved. Not publisher full text. · supports · 75 adults in nonrandomized double-blind matched groups; sucrose n=24, HFCS n=28, aspartame n=23 · source_derived_draft · unverified_draft

## sucrose-matsuda Sucrose beverages reduced Matsuda insulin sensitivity compared with aspartame in the matched-group intervention. Model/species: 75 adults in nonrandomized double-blind matched groups; sucrose n=24, HFCS n=28, aspartame n=23 Tissue: MRI liver fat, OGTT-derived insulin sensitivity and plasma markers Exposure: Sucrose or HFCS beverages at 25% of energy requirement versus aspartame, 3 servings/day Route: Oral beverages; outpatient usual diet, controlled inpatient meal substitutions Duration: 16 days, approximately two weeks Exposure scope: Direct sucrose beverage comparison Limits: Nonrandomized; paired MRI n=23 sucrose, 23 HFCS, 20 control. Outpatient calories not clamped; weight adjustment does not establish calorie independence. HFCS/control participants and some plasma outcomes overlap PMID 25904601. Short biomarkers are not clinical disease incidence. Reference: Consuming Sucrose- or HFCS-sweetened Beverages Increases Hepatic Lipid and Decreases Insulin Sensitivity in Adults. (2021). https://pubmed.ncbi.nlm.nih.gov/34265055/ DOI: 10.1210/clinem/dgab508 Access: Primary full-text methods/results and metadata inspected.

evidence_access

Primary abstract

experimental_model

Healthy humans; somatostatin, glucose infusion to maintain euglycemia, organ exchange measurements.

limitations

Insulin and glucagon were both suppressed. The experiment does not isolate glucagon alone.

nutrient_topic

Fasting physiological-state collection; human protocols, cellular deprivation and refeeding are distinguished. · Fasting / abstention from energy intake

plain_language

Hormonal control changed with the fasting state.

primary_references

Role of basal glucagon levels in the regulation of splanchnic glucose output and ketogenesis in insulin-deficient humans. · 1984 · https://pubmed.ncbi.nlm.nih.gov/6146427/ · DOI 10.1111/j.1475-097x.1984.tb00117.x

Fasting: fuel switching, nutrient sensing, ketone signaling, nutrient dependencies and refeeding (2026-09-18) · lines 96–102

AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Healthy humans; somatostatin, glucose infusion to maintain euglycemia, organ exchange measurements. · source_derived_draft · unverified_draft

## fast-hormone-withdrawal Hormonal control changed with the fasting state. Somatostatin suppressed splanchnic glucose output by 50–100% for five hours after a 60-hour fast; the overnight-fast reduction was transient. Model: Healthy humans; somatostatin, glucose infusion to maintain euglycemia, organ exchange measurements. Limitations: Insulin and glucagon were both suppressed. The experiment does not isolate glucagon alone. Evidence access: Primary abstract Role of basal glucagon levels in the regulation of splanchnic glucose output and ketogenesis in insulin-deficient humans. · 1984 · https://pubmed.ncbi.nlm.nih.gov/6146427/ · DOI 10.1111/j.1475-097x.1984.tb00117.x

evidence_access

Primary abstract

experimental_model

Mouse pancreatic beta cells; electrophysiology, calcium imaging and secretion experiments.

limitations

Cell/animal mechanism; no universal human insulin response inferred. NAD(P)H autofluorescence did not show increased metabolism.

nutrient_topic

L-Arginine collection; tissue, species, dose and formulation distinctions retained. · L-Arginine

plain_language

A secretion effect can start at transport rather than at the final release machinery.

primary_references

Electrogenic arginine transport mediates stimulus-secretion coupling in mouse pancreatic beta-cells. · 1997 · https://pubmed.ncbi.nlm.nih.gov/9130159/ · DOI 10.1113/jphysiol.1997.sp021955

L-Arginine: transport, metabolic branches, nutrient interactions, availability and discovery questions (2026-09-18) · lines 318–324

AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Mouse pancreatic beta cells; electrophysiology, calcium imaging and secretion experiments. · source_derived_draft · unverified_draft

## arg-beta-insulin A secretion effect can start at transport rather than at the final release machinery. Results supported insulin stimulation through electrogenic transport; arginine did not directly enhance the measured exocytotic machinery. Model: Mouse pancreatic beta cells; electrophysiology, calcium imaging and secretion experiments. Limitations: Cell/animal mechanism; no universal human insulin response inferred. NAD(P)H autofluorescence did not show increased metabolism. Evidence access: Primary abstract Electrogenic arginine transport mediates stimulus-secretion coupling in mouse pancreatic beta-cells. · 1997 · https://pubmed.ncbi.nlm.nih.gov/9130159/ · DOI 10.1113/jphysiol.1997.sp021955