Information on GNC in Hellertown, PA 18055 Outlet Note Regular Brands GNC Pennsylvania Hellertown 327274 Rating 4.7 based on 97 votes Address 110 Main Street Hellertown, PA 18055 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 - Bethlehem GNC Outlet - Bethlehem GNC Outlet - Bethlehem GNC Outlet - Bethlehem People Also Viewed