Information on GNC in Black Mountain, NC 28711 Outlet Note Regular Brands GNC North Carolina Black Mountain 325538 Rating 4.7 based on 97 votes Address 540 North Carolina hwy 9 Black Mountain, NC 28711 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 - Asheville GNC Outlet - Asheville GNC Outlet - Asheville GNC Outlet - Asheville People Also Viewed