Natures Goodnes Bitter Melon capsules contains 500mg bitter melon extract in every capsule, equivalent to 80g fresh whole bitter melon fruit. Bitter Melon (Momordica charantia) is a fruit commonly found in tropical and sub-tropical climates. It is among the most bitter of all fruit and vegetables. Bitter melon extract reduces the absorption of sugar from the digestive system. Bitter melon contains charantin, a substance which improves the absorption of glucose from the blood. Bitter melon contains a protein called polypeptide-p, also known as plant insulin. Some studies have shown that bitter melon fruit, fruit juice, or extract improves glucose tolerance, reduces blood sugar levels, and lowers HbA1c (a measure of blood sugar control over time) in people with type 2 diabetes.* In conjunction with a healthy, calorie-controlled diet.