Information on GNC in Bethel Park, PA 15102 Outlet Note Regular Brands GNC Pennsylvania Bethel Park 325509 Rating 4.7 based on 97 votes Address 5100 Library Road Bethel Park, PA 15102 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 - Bethel Park GNC Outlet - Bethel Park GNC Outlet - Bentleyville GNC Outlet - Belle Vernon People Also Viewed