Information on GNC in Philadelphia, PA 19138 Outlet Note Regular Brands GNC Pennsylvania Philadelphia 329126 Rating 4.7 based on 97 votes Address 5301 Chew Avenue Philadelphia, PA 19138 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 - Philadelphia GNC Outlet - Philadelphia GNC Outlet - Philadelphia GNC Outlet - Philadelphia People Also Viewed