Information on GNC in North Royalton, OH 44133 Outlet Note Regular Brands GNC Ohio North Royalton 328812 Rating 4.7 based on 97 votes Address 13955 State Road North Royalton, OH 44133 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 - Breckville GNC Outlet - Brooklyn Heights GNC Outlet - Brook Park GNC Outlet - Beachwood People Also Viewed