Hypoglycemic efficacy and safety of Momordica charantia (bitter melon) in patients with type 2 diabetes mellitus.

•The Momordica charantia (bitter melon) extract has glucose-lowering effects in type 2 diabetic patients.•There was no effects on lipid profile after 12 weeks of Momordica charantia (bitter melon) extract treatment.•The use of Momordica charantia (bitter melon) extract was generally safe.