Information on GNC in Madison, OH 44057 Outlet Note Regular Brands GNC Ohio Madison 328074 Rating 4.7 based on 97 votes Address 6655 North Ridge Road Madison, OH 44057 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby GNC Outlet GNC Outlet - Ashtabula GNC Outlet - Ashtabula GNC Outlet - Ashtabula GNC Outlet - Beachwood People Also Viewed