Information on GNC in Youngstown, OH 44511 Outlet Note Regular Brands GNC Ohio Youngstown 330804 Rating 4.7 based on 97 votes Address 3527 Canfield Road Youngstown, OH 44511 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 - Youngstown GNC Outlet - Youngstown GNC Outlet - Youngstown GNC Outlet - Youngstown People Also Viewed