Metformin 1000 mg + Vildagliptin 50 mg is a combination of two antidiabetic medicines: Metformin and Vildagliptin. Metformin is an anti-diabetic medication (biguanide). It works by lowering glucose production in the liver, delaying glucose absorption from intestines and increasing the body's sensitivity to insulin. they provide better control of blood sugar. Periodically check your blood sugar level .Also take the medicine under medical supervision only.