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evidence · mechanism · dose
Supplements/Herb

Bitter Melon

aka Momordica charantia

Traditional anti-diabetic; modest glucose-lowering and weight-loss effects.

Blood Sugar Management

Overview

Traditional anti-diabetic; modest glucose-lowering and weight-loss effects.

Natural sources
  • Momordica charantia fruit
Common forms
  • Extract
  • Juice

Mechanism of action

Charantins and polypeptide-p have insulin-like activity.

Pathways
  • · Insulin mimetic

Effects on the body

Decreases
Blood glucose

Organ system effects

Evidence-based benefits

Modestly lowers HbA1c

Limited evidence

Potential side effects

Common
  • · GI upset
Rare
    Serious
    • · Hypoglycemia (concomitant antidiabetics)

    Drug interactions

    Antidiabetics
    Hypoglycemia.
    moderate

    Safety & non-supplemental interactions

    Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

    Avoid if you are
    • ·Pregnant or breastfeeding (insufficient safety data)
    • ·Children under 18 (unless directed by a clinician)

    Supplement interactions

    Pairs well with

    None listed.

    Avoid combining with
    • Pregnancy
      Abortifacient effects.

    Dosing & bioavailability

    Typical dose
    1.5–3 g/d extract

    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.

    Herb
    Bitter Melon
    Amazon
    Wide selection · fast shipping
    Herb
    Bitter Melon
    iHerb
    Global delivery · curated brands
    Herb
    Bitter Melon
    Thorne
    Practitioner-grade · NSF tested

    Scientific evidence (8)

    Meta-analysisNutr J · 2014

    Momordica charantia for type 2 diabetes

    Yin RV, et al.

    Meta-analysis of bitter melon in T2D.

    Key findings

    Modest fasting-glucose reduction.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Bitter Melon — Modestly lowers HbA1c

    Live PubMed search

    Live results for "Bitter Melon Modestly lowers HbA1c" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Bitter Melon and "Modestly lowers HbA1c". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Bitter Melon — randomized controlled trial

    Live PubMed search

    Live results for "Bitter Melon randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Bitter Melon and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Bitter Melon — meta-analysis

    Live PubMed search

    Live results for "Bitter Melon meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Bitter Melon and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Bitter Melon — pharmacokinetics

    Live PubMed search

    Live results for "Bitter Melon pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Bitter Melon and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Bitter Melon — safety adverse events

    Live PubMed search

    Live results for "Bitter Melon safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Bitter Melon and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Bitter Melon — dose response

    Live PubMed search

    Live results for "Bitter Melon dose response" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Bitter Melon and "dose response". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewGoogle Scholar · 1970

    Google Scholar: Bitter Melon — clinical evidence

    Live Scholar search

    Cross-database citation index for Bitter Melon 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.