Rybelsus is used to improve blood sugar control in adults with type 2 diabetes. There are currently no generic alternatives for Rybelsus. The Rybelsus cost (3mg) is around $949 for a supply of 30, depending on the pharmacy you visit. Rybelsus may be covered by your Medicare or insurance plan, but some pharmacy provide Rybelsus coupons or cash prices could help offset the Rybelsus cost.