Bitter Melon
Parts Used & Where Grown
Bitter melon grows in tropical areas, including parts of East Africa, Asia, the Caribbean, and South America, where it is used as a food as well as a medicine. The fruit of this plant lives up to its name—it tastes bitter. Although the seeds, leaves, and vines of bitter melon have all been used, the fruit is the safest and most prevalent part of the plant used medicinally.
How It Works
At least three different groups of constituents in bitter melon have been reported to have blood-sugar lowering actions of potential benefit in diabetes mellitus. These include a mixture of steroidal saponins known as charantin, insulin-like peptides, and alkaloids. It is still unclear which of these is most effective, or if all three work together. Some clinical trials have confirmed the benefit of bitter melon for people with diabetes.1
In traditional herbal medicine, bitter melon—like other bitter-tasting herbs—is thought to stimulate digestive function and improve appetite. This has yet to be tested in human studies.
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