251BIOACTIVE COMPOUNDS AND MECHANISM OF ACTION OF SOME MEDICINAL HERBS FOR ANTI- DIABETIC ACTIVITY- A REVIEWPlants are used traditionally throughout the world to treat various disease conditions. Diabetes is a major health problem not only in India but all over the world. Diabetic patients of rural areas cannot afford the treatment because of poor economy. Local availability of medicinal plants should be used for the treatment of diabetes mellitus because it is cheaper and effective. This paper describes anti diabetic activity containing medicinal plants and their bioactive constituents.007vasuki@gmail.comReview1122021Medicinal Herbs,Bioactive Compounds,Mechanism of Action,Antidiabetic ActivityVasuki. K,Brindha. S,Gunalizha. JSwamy Vivekanandha College of Pharmacy, Elayampalayam, Tiruchengode - 637205, Namakkal (Dt), Tamilnadu, India.,Swamy Vivekanandha College of Pharmacy, Elayampalayam, Tiruchengode - 637205, Namakkal (Dt), Tamilnadu, India.,Swamy Vivekanandha College of Pharmacy, Elayampalayam, Tiruchengode - 637205, Namakkal (Dt), Tamilnadu, India.