Modified citrus pectin, product-specific

What it acts on

1. Urinary arsenic was 130% higher on the first collection day, with reported p<0.05.

   Modified citrus pectin, product-specific → Human urinary arsenic excretion source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/16835878.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935", "start_char": 0, "end_char": 1337, "text_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935"}

   experimental_model

   Uncontrolled exploratory urinary element excretion study

   exposure

   PectaSol MCP: mean molecular weight 15400, DE3.8%; 15 g/day five days and 20 g on day six

   limitations

   No randomized comparator, whole-body burden endpoint or demonstrated systemic chelation mechanism. Urinary excretion is not proof of clinical detoxification.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Homo sapiens

   plain_language

   An uncontrolled pilot measured more arsenic in urine.

   primary_references

   [pectin-p16835878] The effect of modified citrus pectin on urinary excretion of toxic elements. (2006). https://pubmed.ncbi.nlm.nih.gov/16835878/ DOI: 10.1002/ptr.1953

   tissue_or_cell_type

   24-hour urine

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 1088–1099

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Uncontrolled exploratory urinary element excretion study · source_derived_draft · unverified_draft

   ### pectin-arsenic-urine Urinary arsenic was 130% higher on the first collection day, with reported p<0.05. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: An uncontrolled pilot measured more arsenic in urine. organism: Homo sapiens tissue_or_cell_type: 24-hour urine experimental_model: Uncontrolled exploratory urinary element excretion study limitations: No randomized comparator, whole-body burden endpoint or demonstrated systemic chelation mechanism. Urinary excretion is not proof of clinical detoxification. exposure: PectaSol MCP: mean molecular weight 15400, DE3.8%; 15 g/day five days and 20 g on day six evidence_span: {"source_cache": "artifacts/pectin-research/16835878.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935", "start_char": 0, "end_char": 1337, "text_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935"} [pectin-p16835878] The effect of modified citrus pectin on urinary excretion of toxic elements. (2006). https://pubmed.ncbi.nlm.nih.gov/16835878/ DOI: 10.1002/ptr.1953

   Complete structured claim and evidence

2. Urinary cadmium was 150% higher on day six, with reported p<0.05.

   Modified citrus pectin, product-specific → Human urinary cadmium excretion source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/16835878.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935", "start_char": 0, "end_char": 1337, "text_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935"}

   experimental_model

   Uncontrolled exploratory urinary element excretion study

   exposure

   PectaSol MCP: mean molecular weight 15400, DE3.8%; 15 g/day five days and 20 g on day six

   limitations

   No randomized comparator, whole-body burden endpoint or demonstrated systemic chelation mechanism. Urinary excretion is not proof of clinical detoxification.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Homo sapiens

   plain_language

   The pilot also reported more cadmium excretion.

   primary_references

   [pectin-p16835878] The effect of modified citrus pectin on urinary excretion of toxic elements. (2006). https://pubmed.ncbi.nlm.nih.gov/16835878/ DOI: 10.1002/ptr.1953

   tissue_or_cell_type

   24-hour urine

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 1101–1112

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Uncontrolled exploratory urinary element excretion study · source_derived_draft · unverified_draft

   ### pectin-cadmium-urine Urinary cadmium was 150% higher on day six, with reported p<0.05. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The pilot also reported more cadmium excretion. organism: Homo sapiens tissue_or_cell_type: 24-hour urine experimental_model: Uncontrolled exploratory urinary element excretion study limitations: No randomized comparator, whole-body burden endpoint or demonstrated systemic chelation mechanism. Urinary excretion is not proof of clinical detoxification. exposure: PectaSol MCP: mean molecular weight 15400, DE3.8%; 15 g/day five days and 20 g on day six evidence_span: {"source_cache": "artifacts/pectin-research/16835878.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935", "start_char": 0, "end_char": 1337, "text_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935"} [pectin-p16835878] The effect of modified citrus pectin on urinary excretion of toxic elements. (2006). https://pubmed.ncbi.nlm.nih.gov/16835878/ DOI: 10.1002/ptr.1953

   Complete structured claim and evidence

3. Tested pectic preparations were weak or inactive canonical-site inhibitors; reported pectic IC50 values, where measurable, exceeded 10 mg/mL.

   Modified citrus pectin, product-specific → Human galectin-3 canonical carbohydrate-site binding source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/27129206.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "b9faed8d7344a109bfebf8e340281cc15375deb88a653cd129967a7084e9eb12", "start_char": 0, "end_char": 1776, "text_sha256": "b9faed8d7344a109bfebf8e340281cc15375deb88a653cd129967a7084e9eb12"}

   experimental_model

   Fluorescence-anisotropy competition and cell assays

   exposure

   Panel of bioactive pectins including modified products; synthetic pectic fragments

   limitations

   Preparation- and assay-specific. This challenges a general canonical-site blockade explanation; it does not disprove all physical interactions or every proposed noncanonical mechanism.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Recombinant galectins and cultured cells

   plain_language

   Attaching to a protein does not necessarily block its usual sugar-binding function.

   primary_references

   [pectin-p27129206] Low or No Inhibitory Potency of the Canonical Galectin Carbohydrate-binding Site by Pectins and Galactomannans. (2016). https://pubmed.ncbi.nlm.nih.gov/27129206/ DOI: 10.1074/jbc.m116.721464

   tissue_or_cell_type

   Canonical carbohydrate-binding site

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 464–475

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Fluorescence-anisotropy competition and cell assays · source_derived_draft · unverified_draft

   ### pectin-gal3-inhibition-limited Tested pectic preparations were weak or inactive canonical-site inhibitors; reported pectic IC50 values, where measurable, exceeded 10 mg/mL. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: Attaching to a protein does not necessarily block its usual sugar-binding function. organism: Recombinant galectins and cultured cells tissue_or_cell_type: Canonical carbohydrate-binding site experimental_model: Fluorescence-anisotropy competition and cell assays limitations: Preparation- and assay-specific. This challenges a general canonical-site blockade explanation; it does not disprove all physical interactions or every proposed noncanonical mechanism. exposure: Panel of bioactive pectins including modified products; synthetic pectic fragments evidence_span: {"source_cache": "artifacts/pectin-research/27129206.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "b9faed8d7344a109bfebf8e340281cc15375deb88a653cd129967a7084e9eb12", "start_char": 0, "end_char": 1776, "text_sha256": "b9faed8d7344a109bfebf8e340281cc15375deb88a653cd129967a7084e9eb12"} [pectin-p27129206] Low or No Inhibitory Potency of the Canonical Galectin Carbohydrate-binding Site by Pectins and Galactomannans. (2016). https://pubmed.ncbi.nlm.nih.gov/27129206/ DOI: 10.1074/jbc.m116.721464

   Complete structured claim and evidence

4. The reported 560% lead-excretion increase had p<0.08, not a reported conventional p<0.05 result.

   Modified citrus pectin, product-specific → Human urinary lead excretion source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/16835878.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935", "start_char": 0, "end_char": 1337, "text_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935"}

   experimental_model

   Uncontrolled exploratory urinary element excretion study

   exposure

   PectaSol MCP: mean molecular weight 15400, DE3.8%; 15 g/day five days and 20 g on day six

   limitations

   No randomized comparator, whole-body burden endpoint or demonstrated systemic chelation mechanism. Urinary excretion is not proof of clinical detoxification.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Homo sapiens

   plain_language

   The dramatic percentage should not be described as a demonstrated significant lead-removal benefit.

   primary_references

   [pectin-p16835878] The effect of modified citrus pectin on urinary excretion of toxic elements. (2006). https://pubmed.ncbi.nlm.nih.gov/16835878/ DOI: 10.1002/ptr.1953

   tissue_or_cell_type

   24-hour urine

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 1114–1125

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Uncontrolled exploratory urinary element excretion study · source_derived_draft · unverified_draft

   ### pectin-lead-uncertain The reported 560% lead-excretion increase had p<0.08, not a reported conventional p<0.05 result. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The dramatic percentage should not be described as a demonstrated significant lead-removal benefit. organism: Homo sapiens tissue_or_cell_type: 24-hour urine experimental_model: Uncontrolled exploratory urinary element excretion study limitations: No randomized comparator, whole-body burden endpoint or demonstrated systemic chelation mechanism. Urinary excretion is not proof of clinical detoxification. exposure: PectaSol MCP: mean molecular weight 15400, DE3.8%; 15 g/day five days and 20 g on day six evidence_span: {"source_cache": "artifacts/pectin-research/16835878.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935", "start_char": 0, "end_char": 1337, "text_sha256": "ba618bbf53b858a6295bf517eb175d297b6632e62e6f067acb97f7e032e1d935"} [pectin-p16835878] The effect of modified citrus pectin on urinary excretion of toxic elements. (2006). https://pubmed.ncbi.nlm.nih.gov/16835878/ DOI: 10.1002/ptr.1953

   Complete structured claim and evidence

5. No significant treatment benefit in measured diastolic function was found.

   Modified citrus pectin, product-specific → Human cardiac diastolic function source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/33532663.fulltext.txt", "locator": "Primary full-text span; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9600257cc318b4b6bdb0c2d95c4b42f8644220c06bb0581dc604ca4e7d7ba051", "start_char": 14495, "end_char": 19456, "text_sha256": "7914ef3745e7ff82580f8ed02f013628d44c7461d6ce4dbc254b273561c8a732"}

   experimental_model

   Double-blind randomized placebo-controlled proof-of-concept trial

   exposure

   68 randomized participants with hypertension and elevated galectin-3; Pectasol-C 4.8 g three times/day for six months; 52 had complete biomarker data

   limitations

   Target inhibition was not established by dosing alone. Surrogate endpoints and incomplete follow-up; no demonstrated heart-failure treatment benefit.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Homo sapiens

   plain_language

   A measurable improvement in heart relaxation was not established.

   primary_references

   [pectin-p33532663] Galectin-3 Inhibition With Modified Citrus Pectin in Hypertension. (2021). https://pubmed.ncbi.nlm.nih.gov/33532663/ DOI: 10.1016/j.jacbts.2020.10.006

   tissue_or_cell_type

   Blood collagen markers, cardiac and vascular assessments

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 1062–1073

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Double-blind randomized placebo-controlled proof-of-concept trial · source_derived_draft · unverified_draft

   ### pectin-mcp-cardiac-null No significant treatment benefit in measured diastolic function was found. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: A measurable improvement in heart relaxation was not established. organism: Homo sapiens tissue_or_cell_type: Blood collagen markers, cardiac and vascular assessments experimental_model: Double-blind randomized placebo-controlled proof-of-concept trial limitations: Target inhibition was not established by dosing alone. Surrogate endpoints and incomplete follow-up; no demonstrated heart-failure treatment benefit. exposure: 68 randomized participants with hypertension and elevated galectin-3; Pectasol-C 4.8 g three times/day for six months; 52 had complete biomarker data evidence_span: {"source_cache": "artifacts/pectin-research/33532663.fulltext.txt", "locator": "Primary full-text span; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9600257cc318b4b6bdb0c2d95c4b42f8644220c06bb0581dc604ca4e7d7ba051", "start_char": 14495, "end_char": 19456, "text_sha256": "7914ef3745e7ff82580f8ed02f013628d44c7461d6ce4dbc254b273561c8a732"} [pectin-p33532663] Galectin-3 Inhibition With Modified Citrus Pectin in Hypertension. (2021). https://pubmed.ncbi.nlm.nih.gov/33532663/ DOI: 10.1016/j.jacbts.2020.10.006

   Complete structured claim and evidence

6. MCP did not produce the proposed improvement in collagen turnover markers; the borderline PIIINP between-group difference (p=0.05) was driven mainly by an increase in the MCP group.

   Modified citrus pectin, product-specific → Human circulating collagen turnover markers source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/33532663.fulltext.txt", "locator": "Primary full-text span; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9600257cc318b4b6bdb0c2d95c4b42f8644220c06bb0581dc604ca4e7d7ba051", "start_char": 14495, "end_char": 19456, "text_sha256": "7914ef3745e7ff82580f8ed02f013628d44c7461d6ce4dbc254b273561c8a732"}

   experimental_model

   Double-blind randomized placebo-controlled proof-of-concept trial

   exposure

   68 randomized participants with hypertension and elevated galectin-3; Pectasol-C 4.8 g three times/day for six months; 52 had complete biomarker data

   limitations

   Target inhibition was not established by dosing alone. Surrogate endpoints and incomplete follow-up; no demonstrated heart-failure treatment benefit.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Homo sapiens

   plain_language

   The human trial did not confirm the proposed antifibrotic marker benefit.

   primary_references

   [pectin-p33532663] Galectin-3 Inhibition With Modified Citrus Pectin in Hypertension. (2021). https://pubmed.ncbi.nlm.nih.gov/33532663/ DOI: 10.1016/j.jacbts.2020.10.006

   tissue_or_cell_type

   Blood collagen markers, cardiac and vascular assessments

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 1049–1060

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Double-blind randomized placebo-controlled proof-of-concept trial · source_derived_draft · unverified_draft

   ### pectin-mcp-collagen-null MCP did not produce the proposed improvement in collagen turnover markers; the borderline PIIINP between-group difference (p=0.05) was driven mainly by an increase in the MCP group. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The human trial did not confirm the proposed antifibrotic marker benefit. organism: Homo sapiens tissue_or_cell_type: Blood collagen markers, cardiac and vascular assessments experimental_model: Double-blind randomized placebo-controlled proof-of-concept trial limitations: Target inhibition was not established by dosing alone. Surrogate endpoints and incomplete follow-up; no demonstrated heart-failure treatment benefit. exposure: 68 randomized participants with hypertension and elevated galectin-3; Pectasol-C 4.8 g three times/day for six months; 52 had complete biomarker data evidence_span: {"source_cache": "artifacts/pectin-research/33532663.fulltext.txt", "locator": "Primary full-text span; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9600257cc318b4b6bdb0c2d95c4b42f8644220c06bb0581dc604ca4e7d7ba051", "start_char": 14495, "end_char": 19456, "text_sha256": "7914ef3745e7ff82580f8ed02f013628d44c7461d6ce4dbc254b273561c8a732"} [pectin-p33532663] Galectin-3 Inhibition With Modified Citrus Pectin in Hypertension. (2021). https://pubmed.ncbi.nlm.nih.gov/33532663/ DOI: 10.1016/j.jacbts.2020.10.006

   Complete structured claim and evidence

7. No significant treatment benefit in measured arterial stiffness was found.

   Modified citrus pectin, product-specific → Arterial stiffness source_derived_draftungraded
   Experimental context and source evidence

   evidence_span

   {"source_cache": "artifacts/pectin-research/33532663.fulltext.txt", "locator": "Primary full-text span; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9600257cc318b4b6bdb0c2d95c4b42f8644220c06bb0581dc604ca4e7d7ba051", "start_char": 14495, "end_char": 19456, "text_sha256": "7914ef3745e7ff82580f8ed02f013628d44c7461d6ce4dbc254b273561c8a732"}

   experimental_model

   Double-blind randomized placebo-controlled proof-of-concept trial

   exposure

   68 randomized participants with hypertension and elevated galectin-3; Pectasol-C 4.8 g three times/day for six months; 52 had complete biomarker data

   limitations

   Target inhibition was not established by dosing alone. Surrogate endpoints and incomplete follow-up; no demonstrated heart-failure treatment benefit.

   nutrient_topic

   Pectin research collection; topical membership is not evidence of a direct dietary effect. · Pectin, structurally heterogeneous plant polysaccharides

   organism

   Homo sapiens

   plain_language

   The vascular surrogate also did not establish benefit.

   primary_references

   [pectin-p33532663] Galectin-3 Inhibition With Modified Citrus Pectin in Hypertension. (2021). https://pubmed.ncbi.nlm.nih.gov/33532663/ DOI: 10.1016/j.jacbts.2020.10.006

   tissue_or_cell_type

   Blood collagen markers, cardiac and vascular assessments

   Pectin: metabolism, signaling and nutrient connections (2026-09-17) · lines 1075–1086

   AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Double-blind randomized placebo-controlled proof-of-concept trial · source_derived_draft · unverified_draft

   ### pectin-mcp-stiffness-null No significant treatment benefit in measured arterial stiffness was found. Condition category: normal nutrient_topic: Pectin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The vascular surrogate also did not establish benefit. organism: Homo sapiens tissue_or_cell_type: Blood collagen markers, cardiac and vascular assessments experimental_model: Double-blind randomized placebo-controlled proof-of-concept trial limitations: Target inhibition was not established by dosing alone. Surrogate endpoints and incomplete follow-up; no demonstrated heart-failure treatment benefit. exposure: 68 randomized participants with hypertension and elevated galectin-3; Pectasol-C 4.8 g three times/day for six months; 52 had complete biomarker data evidence_span: {"source_cache": "artifacts/pectin-research/33532663.fulltext.txt", "locator": "Primary full-text span; zero-based, end-exclusive Unicode character offsets", "file_sha256": "9600257cc318b4b6bdb0c2d95c4b42f8644220c06bb0581dc604ca4e7d7ba051", "start_char": 14495, "end_char": 19456, "text_sha256": "7914ef3745e7ff82580f8ed02f013628d44c7461d6ce4dbc254b273561c8a732"} [pectin-p33532663] Galectin-3 Inhibition With Modified Citrus Pectin in Hypertension. (2021). https://pubmed.ncbi.nlm.nih.gov/33532663/ DOI: 10.1016/j.jacbts.2020.10.006

   Complete structured claim and evidence