Component
Human hepatic lipid content measured by imaging
Species, exposure, manipulation and evidence limits are specified on each linked claim.
5 recorded relationships. Experimental role, claim status and evidence remain attached to each record.
How nutrients influence it
Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.
Other things that act on it
Enzymes, hormones, genes, and other components with a recorded effect. These are not nutrients, so they do not count toward the arrows above. Each finding names the chapter that recorded it.
How nutrients reach it in more than one step
Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.
Tracing routes…
What it does
Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.
What acts on it
The HFCS group showed a 0.4 +/- 0.2 percentage-point increase in hepatic lipid from baseline; its direct contrast with aspartame was not significant.
Experimental context and source evidence
- 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
- The HFCS group showed a 0.4 +/- 0.2 percentage-point increase in hepatic lipid from baseline; its direct contrast with aspartame was not significant.
- 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 317–327
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-liver-fat The HFCS group showed a 0.4 +/- 0.2 percentage-point increase in hepatic lipid from baseline; its direct contrast with aspartame was not significant. 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.
Complete structured claim and evidencePF-06835919 at 300 mg/day reduced liver fat relative to placebo by a reported 18.73% after six weeks.
Experimental context and source evidence
- dose
- PF-06835919 75 or 300 mg once daily versus placebo
- duration
- 6 weeks
- evidence_access
- Primary abstract/metadata; unrecovered methods explicitly retained.
- evidence_scope
- literature_reviewed; source-specific curation
- experimental_model
- 53 randomized adults with NAFLD; 48 completed phase 2a trial
- exposure_scope
- Fructose-pathway intervention, not an HFCS challenge
- limitations
- Small Pfizer-sponsored trial; 300 mg change was relative liver fat, not 18.73 percentage points. Not evidence of an approved drug or proof that HFCS caused each participant's disease.
- nutrient_topic
- HFCS chapter: actual formulation studies, component biochemistry and interventions are explicitly distinguished. · High-Fructose Corn Syrup / HFCS
- organism
- 53 randomized adults with NAFLD; 48 completed phase 2a trial
- plain_language
- PF-06835919 at 300 mg/day reduced liver fat relative to placebo by a reported 18.73% after six weeks.
- primary_references
- Inhibition of ketohexokinase in adults with NAFLD reduces liver fat and inflammatory markers: A randomized phase 2 trial. (2021). https://pubmed.ncbi.nlm.nih.gov/35590219/ DOI: 10.1016/j.medj.2021.04.007
- route
- Oral drug; no controlled HFCS exposure
- tissue
- MRI proton-density liver fat
High-Fructose Corn Syrup: mechanism of action and metabolic impact (2026-09-20) · lines 593–603
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 · 53 randomized adults with NAFLD; 48 completed phase 2a trial · source_derived_draft · unverified_draft
## hfcs-pf-human-liver PF-06835919 at 300 mg/day reduced liver fat relative to placebo by a reported 18.73% after six weeks. Model/species: 53 randomized adults with NAFLD; 48 completed phase 2a trial Tissue: MRI proton-density liver fat Exposure: PF-06835919 75 or 300 mg once daily versus placebo Route: Oral drug; no controlled HFCS exposure Duration: 6 weeks Exposure scope: Fructose-pathway intervention, not an HFCS challenge Limits: Small Pfizer-sponsored trial; 300 mg change was relative liver fat, not 18.73 percentage points. Not evidence of an approved drug or proof that HFCS caused each participant's disease. Reference: Inhibition of ketohexokinase in adults with NAFLD reduces liver fat and inflammatory markers: A randomized phase 2 trial. (2021). https://pubmed.ncbi.nlm.nih.gov/35590219/ DOI: 10.1016/j.medj.2021.04.007 Access: Primary abstract/metadata; unrecovered methods explicitly retained.
Complete structured claim and evidenceThe 75 mg/day PF-06835919 arm did not show a significant liver-fat reduction versus placebo.
Experimental context and source evidence
- dose
- PF-06835919 75 or 300 mg once daily versus placebo
- duration
- 6 weeks
- evidence_access
- Primary abstract/metadata; unrecovered methods explicitly retained.
- evidence_scope
- literature_reviewed; source-specific curation
- experimental_model
- 53 randomized adults with NAFLD; 48 completed phase 2a trial
- exposure_scope
- Fructose-pathway intervention, not an HFCS challenge
- limitations
- Small Pfizer-sponsored trial; 300 mg change was relative liver fat, not 18.73 percentage points. Not evidence of an approved drug or proof that HFCS caused each participant's disease.
- nutrient_topic
- HFCS chapter: actual formulation studies, component biochemistry and interventions are explicitly distinguished. · High-Fructose Corn Syrup / HFCS
- organism
- 53 randomized adults with NAFLD; 48 completed phase 2a trial
- plain_language
- The 75 mg/day PF-06835919 arm did not show a significant liver-fat reduction versus placebo.
- primary_references
- Inhibition of ketohexokinase in adults with NAFLD reduces liver fat and inflammatory markers: A randomized phase 2 trial. (2021). https://pubmed.ncbi.nlm.nih.gov/35590219/ DOI: 10.1016/j.medj.2021.04.007
- route
- Oral drug; no controlled HFCS exposure
- tissue
- MRI proton-density liver fat
High-Fructose Corn Syrup: mechanism of action and metabolic impact (2026-09-20) · lines 605–615
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 · 53 randomized adults with NAFLD; 48 completed phase 2a trial · source_derived_draft · unverified_draft
## hfcs-pf-low-dose-null The 75 mg/day PF-06835919 arm did not show a significant liver-fat reduction versus placebo. Model/species: 53 randomized adults with NAFLD; 48 completed phase 2a trial Tissue: MRI proton-density liver fat Exposure: PF-06835919 75 or 300 mg once daily versus placebo Route: Oral drug; no controlled HFCS exposure Duration: 6 weeks Exposure scope: Fructose-pathway intervention, not an HFCS challenge Limits: Small Pfizer-sponsored trial; 300 mg change was relative liver fat, not 18.73 percentage points. Not evidence of an approved drug or proof that HFCS caused each participant's disease. Reference: Inhibition of ketohexokinase in adults with NAFLD reduces liver fat and inflammatory markers: A randomized phase 2 trial. (2021). https://pubmed.ncbi.nlm.nih.gov/35590219/ DOI: 10.1016/j.medj.2021.04.007 Access: Primary abstract/metadata; unrecovered methods explicitly retained.
Complete structured claim and evidenceSucrose beverages increased hepatic lipid by 0.6 +/- 0.2 percentage points from baseline, with a significant contrast against aspartame.
Experimental context and source evidence
- 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 increased hepatic lipid by 0.6 +/- 0.2 percentage points from baseline, with a significant contrast against aspartame.
- 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 331–341
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-liver-fat Sucrose beverages increased hepatic lipid by 0.6 +/- 0.2 percentage points from baseline, with a significant contrast against aspartame. 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.
Complete structured claim and evidence
Where it participates (unsigned role)
No measured metabolic outcome differed significantly between the HFCS and sucrose beverage groups.
Experimental context and source evidence
- 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
- No measured metabolic outcome differed significantly between the HFCS and sucrose beverage groups.
- 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 341–351
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-sucrose-comparison No measured metabolic outcome differed significantly between the HFCS and sucrose beverage groups. 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.
Complete structured claim and evidence
The events it takes part in
A mechanism often involves more than two components. These are the full events, with every participant and its role.
Situations it appears in
Low-supply and faulty-machinery situations recorded in the chapters where this component plays a part.
In the sources
Preserved passages that mention this component, quoted exactly. Open one to read it in context.
Open hypotheses
Proposed ideas that involve this component. They are labeled as hypotheses and do not change any recorded statement.
This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.