Galvus Met 50 mg/500 mg Tablet is a combination drug of Vildagliptin (DPP-4 inhibitor) and Metformin (Biguanides) belongs to the class of anti-diabetic. Type 2 diabetes mellitus used to be known as 'non-insulin-dependent diabetes mellitus (NIDDM)' or 'maturity-onset diabetes. Type 2 diabetes develops if the body does not produce enough insulin or when your body's insulin does not work as well as it should.