Information on GNC in Pittsburgh, PA 15221 Outlet Note Regular Brands GNC Pennsylvania Pittsburgh 329223 Rating 4.7 based on 97 votes Address Ardmore Blvd, Yost Blvd. Pittsburgh, PA 15221 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 - Pittsburgh GNC Outlet - Pittsburgh GNC Outlet - Pittsburgh GNC Outlet - Pittsburgh People Also Viewed