glp 1 analog drugs GLP-1 analogs, new trend in obesity treatment, become even more effective < Pharma < Article GLP-1 and Anesthesia: Considerations and
Description
Oral administration of US FDA approved DPP-4 inhibitors, such as Saxagliptin, Vildagliptin, Anagliptin, etc., prolongs the half-lives and thus the action of GLP-1 and GIP, which in turn improves glycemic control with minimal risk of hypoglycemia (Havale and Pal, 2009)

However, Medicare does cover GLP-1 medications for diabetes

Fineman MS, Koda JE, Shen LZ, Strobel SA, Maggs DG, Weyer C, et al

An important role is to inactivate incretins (GLP-1 & GIP)
