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evidence · mechanism · dose
Supplements/Compound

Partially Hydrolyzed Guar Gum (PHGG)

Soluble fiber for IBS and constipation.

Overview

Soluble fiber for IBS and constipation.

Natural sources
    Common forms

      Mechanism of action

      Fermented to SCFAs without excessive gas.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Improves IBS symptoms

        Moderate evidence

        Potential side effects

        Common
        • · Mild bloating
        Rare
          Serious

            Drug interactions

            No notable interactions reported.

            Supplement interactions

            Pairs well with

            None listed.

            Avoid combining with

            No specific avoidances listed.

            Dosing & bioavailability

            Typical dose
            5 g/d

            Where to buy

            Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

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            Thorne
            Practitioner-grade · NSF tested

            Scientific evidence (8)

            RCTDig Dis Sci · 2002

            PHGG in IBS

            Parisi GC, et al.

            199 IBS patients

            Key findings

            Improved symptoms and bowel habits.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Partially Hydrolyzed Guar Gum (PHGG) — Improves IBS symptoms

            Live PubMed search

            Live results for "Partially Hydrolyzed Guar Gum (PHGG) Improves IBS symptoms" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Partially Hydrolyzed Guar Gum (PHGG) and "Improves IBS symptoms". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Partially Hydrolyzed Guar Gum (PHGG) — randomized controlled trial

            Live PubMed search

            Live results for "Partially Hydrolyzed Guar Gum (PHGG) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Partially Hydrolyzed Guar Gum (PHGG) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Partially Hydrolyzed Guar Gum (PHGG) — meta-analysis

            Live PubMed search

            Live results for "Partially Hydrolyzed Guar Gum (PHGG) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Partially Hydrolyzed Guar Gum (PHGG) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Partially Hydrolyzed Guar Gum (PHGG) — pharmacokinetics

            Live PubMed search

            Live results for "Partially Hydrolyzed Guar Gum (PHGG) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Partially Hydrolyzed Guar Gum (PHGG) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Partially Hydrolyzed Guar Gum (PHGG) — safety adverse events

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            Live results for "Partially Hydrolyzed Guar Gum (PHGG) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

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            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Partially Hydrolyzed Guar Gum (PHGG) — dose response

            Live PubMed search

            Live results for "Partially Hydrolyzed Guar Gum (PHGG) dose response" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Partially Hydrolyzed Guar Gum (PHGG) and "dose response". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewGoogle Scholar · 1970

            Google Scholar: Partially Hydrolyzed Guar Gum (PHGG) — clinical evidence

            Live Scholar search

            Cross-database citation index for Partially Hydrolyzed Guar Gum (PHGG) as it relates to "clinical evidence".

            Key findings

            Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

            Open study
            Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.