According to the Prevention or Delay of Diabetes and Associated Comorbidities: Standards of Care in Diabetes—2025 (5), current treatment strategies for T2D include lifestyle interventions, weight management, insulin injection, and metformin, along with newer pharmacological agents such as GLP-1 receptor agonists, SGLT-2 inhibitors, and DPP-4 inhibitors. This evidence concerns the gene DPP4 and diabetes mellitus.