Information on GNC in Dayton, OH 45414 Outlet Note Regular Brands GNC Ohio Dayton 326390 Rating 4.7 based on 97 votes Address 3700 North Dixie Drive Dayton, OH 45414 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