Information on GNC in Gardendale, AL 35071 Outlet Note Regular Brands GNC Alabama Gardendale 326996 Rating 4.7 based on 97 votes Address 1018 Main Street, p.o.box 1025 Gardendale, AL 35071 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 - Fultondale GNC Outlet - Adamsville GNC Outlet - Birmingham GNC Outlet - Birmingham People Also Viewed