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Botanical

Bitter melon

Bitter melon, Momordica charantia, is a tropical vine with an edible bitter fruit. Its extracts contain glycosides and triterpenes.

Also listed as Organic Bitter Melon, Bittermelon, Momordica charantia, Bitter Melon Extract

LongevityWeight ManagementGut HealthCardiovascular

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Oxidative stressLongevityModerateBNo linked study
Blood sugarWeight ManagementModerateBNo linked study
MetabolismWeight ManagementSmallBNo linked study
Gut healthSmallCNo linked study
Cholesterol balanceCardiovascularSmallCNo linked study
Weight lossWeight ManagementSmallCNo linked study
Every rating with its studiesGrouped by health goal, with the publications behind each rating

What is bitter melon?

Bitter melon, Momordica charantia, is a tropical vine with an edible bitter fruit. Its extracts contain several classes of compounds, including glycosides and triterpenes. Some affect glucose metabolism in cells or animals, but the responsible ingredients and precise mechanism in people remain uncertain. 1

Why people take it

Essential Health15.3%
Weight Management15.3%
Immune Support12.6%
Cardiovascular11.6%
Energy10.8%
Gut Health10.1%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Questions people ask

Is it a proven diabetes treatment?

The newer review suggests benefit but rates key evidence low or very low certainty. This does not establish a reliable treatment effect for every preparation. 2

Is a food serving equivalent to a capsule?

The trials used specific freeze-dried preparations measured in grams, so they do not establish an equivalent serving of cooked fruit. 3

Can it interact with diabetes medication?

Yes. MSK warns of additive effects with insulin and other diabetes drugs. 4

Does “natural” make it safe in pregnancy?

No. MSK advises against bitter melon during pregnancy because of adverse findings in animal studies. 4

Sources

  1. Bitter Melon LiverTox, NIDDK, 2023
  4. Bitter Melon Memorial Sloan Kettering Cancer Center