Information on GNC in Louisville, OH 44641 Outlet Note Regular Brands GNC Ohio Louisville 328029 Rating 4.7 based on 97 votes Address 613 w. Main Street Louisville, OH 44641 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