Bitter Melon: Improves the body's ability to use blood sugar and glucose tolerances • The gourd-like fruit has a long history as a treatment for diabetes. • Bitter melon improves the body's ability to use blood sugar and improves glucose tolerances. • Also, a study noted that bitter melon fruit juice may cause a renewal and recovery of the insulin-producing beta cells of the pancreas. • It  is a mild laxative and liver tonic.   • Other uses for bitter melon include treating colds, flu and fever, parasites, digestive and skin diseases.