Information on GNC in Barnesville, OH 43713 Outlet Note Regular Brands GNC Ohio Barnesville 325385 Rating 4.7 based on 97 votes Address 901 East Main Street Barnesville, OH 43713 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 - Alliance GNC Outlet - Alliance GNC Outlet - Akron GNC Outlet - Akron People Also Viewed