Information on GNC in Elizabethton, TN 37643 Outlet Note Regular Brands GNC Tennessee Elizabethton 326620 Rating 4.7 based on 97 votes Address 507 West elk Avenue Elizabethton, TN 37643 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 - Alcoa GNC Outlet - Athens GNC Outlet - Crossville GNC Outlet - Cleveland People Also Viewed