When to take it
With food, ideally with main meals.
← All supplements
OtherWeak evidence
Bitter melon
Also known as: bitter gourd, Momordica charantia
Bitter melon is a tropical vegetable used in traditional medicine to support blood sugar levels. It contains compounds such as charantin and polypeptide-p, but human study results are mixed and the effect is rather small.
What it is used for
- blood sugar support – weak evidence, study results are mixed
- weight and metabolic support – weak evidence
Forms and how they differ
fruit extract
most common capsule form
dried fruit powder
lower concentration, bitter taste
combinations with berberine or milk thistle
effect depends on the doses of each ingredient on the label
Pairs well with
A low glycaemic load diet, fibre, a walk after meals.
Do not combine / separate
Do not combine with diabetes medicines (including insulin and metformin) or other blood-sugar-lowering supplements without asking your doctor – risk of hypoglycaemia.
Watch out for
Do not use during pregnancy (may trigger uterine contractions), breastfeeding, when trying to conceive or with G6PD deficiency. If you have diabetes, liver disease or take medicines, consult your doctor.
Safety
Do not exceed the label dose; digestive upset is possible. Seeds and unripe fruit should not be eaten in large amounts.
Practical tip
If you have a glucose meter, check your sugar before and during use – that shows whether it has any effect for you.
Products containing Bitter melon 1
Berberine + Bitter melon + Milk thistleblend
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence
Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.
Combination check
Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.
Check Bitter melon with othersWhich supplements do you actually need?
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From the same group
AlfalfaNo evidenceAndrographisWeak evidenceAroniaWeak evidenceBarley grassWeak evidenceBee pollenWeak evidenceBeef organs (desiccated)Weak evidence
Important notice
This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.