Information on GNC in Dayton, OH 45403 Outlet Note Regular Brands GNC Ohio Dayton 326387 Rating 4.7 based on 97 votes Address 2532 East Third Street Dayton, OH 45403 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 - Dayton GNC Outlet - Dayton GNC Outlet - Dayton GNC Outlet - Dayton People Also Viewed