Guaranteed Potency. 15% Bitter Principles. Green Screened. Easy-to-Swallow Capsules. Bitter Melon Extract has been used in various Asian traditional medicine systems for a long time. Like most bitter-tasting foods bitter melon stimulates digestion. Bitter Melon can be helpful in people with sluggish digestion dyspepsia and constipation. Bitter Melon is also a demulcent and mild inflammation modulator.