It can be used as: - The first line of treatment for individuals with type 2 diabetes mellitus when diet and exercise are insufficient to improve glycemic control. in addition to diet and exercise to help patients with type 2 diabetes mellitus who are not getting enough control from Metformin HCl or Sitagliptin alone, or in patients who are already receiving treatment with Metformin HCl and Sitagliptin, to enhance glycemic control.