About
Bitter gourd (Momordica charantia L., family Cucurbitaceae) is a tropical and subtropical vegetable whose unripe fruits are consumed as food and used extensively in traditional medicine across Asia, Africa, and Latin America. It is valued both as a culinary ingredient and as a nutraceutical, particularly for its purported antidiabetic, anti-inflammatory, and antioxidant properties derived from bioactive compounds including cucurbitane-type triterpenoids, charantin, flavonoids, and lectins.
Safety summary
Bitter gourd is generally safe when consumed as a whole food vegetable at typical dietary amounts; adverse effects are primarily associated with high-dose supplemental extracts and include gastrointestinal symptoms (diarrhea, abdominal pain), hypoglycemia risk (especially when combined with antidiabetic drugs), and a favism-like syndrome in susceptible individuals. Developmental toxicity signals have been observed in animal (zebrafish embryo) models, and caution is warranted in pregnancy. No formal Acceptable Daily Intake (ADI) has been established by major regulatory bodies for the whole fruit as a food.
Regulatory landscape
| Jurisdiction | Status | Note |
|---|---|---|
| EFSA (European Food Safety Authority) (European Union) | Approved | Bitter gourd (Momordica charantia) fruits are legally imported and traded as food in the EU. EFSA plant health commodity risk assessments focus on phytosanitary controls (Thrips palmi pest risk) for imports from tropical countries; no food-safety ban or restriction on consumption exists. High-risk plant classification relates to pest introduction risk, not food safety.source |
| FSSAI (Food Safety and Standards Authority of India) (India) | Approved | Bitter gourd is included in FSSAI's Food Safety and Standards (Contaminants, Toxins and Residues) Regulations, with pesticide maximum residue limits (MRLs) established — e.g., Chlorantraniliprole MRL of 0.03 mg/kg for bitter gourd, confirming its recognised status as a regulated food commodity.source |
| Ministry of Food and Drug Safety (MFDS) (South Korea) | Approved | Unripe Momordica charantia ethanolic extract powder received individual approval from the Korea Food and Drug Administration (KFDA) as a health functional food ingredient in 2021 (Approval No. 2020-14).source |
Who should approach with care
Research citations
- 1other. Bitter Melon — LiverTox: Clinical and Research Information on Drug-Induced Liver Injury, 2023. ncbi.nlm.nih.gov
- 2PubMed. Momordica charantia L.—Diabetes-Related Bioactivities, Quality Control, and Safety Considerations, 2022. pmc.ncbi.nlm.nih.gov
- 3EFSA. Commodity risk assessment of Momordica charantia fruits from Mexico, 2021. efsa.europa.eu
- 4PubMed. Bitter gourd (Momordica charantia) possess developmental toxicity as revealed by screening the seeds and fruit extracts in zebrafish embryos, 2019. pmc.ncbi.nlm.nih.gov
- 5FSSAI. Food Safety and Standards (Health Supplements, Nutraceuticals…) Regulations — Permitted Nutraceutical Ingredients List, 2017. fssai.gov.in
- 6PubMed. Bitter melon (Momordica charantia): a review of efficacy and safety, 2003. pubmed.ncbi.nlm.nih.gov
