Information on GNC in Dover, DE 19901 Outlet Note Regular Brands GNC Delaware Dover 326488 Rating 4.7 based on 97 votes Address 1580 South Dupont Highway Dover, DE 19901 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 - Camden GNC Outlet - Dover GNC Outlet - Dover Afb GNC Outlet - Dover People Also Viewed