Information on GNC in Brentwood, NY 11717 Outlet Note Regular Brands GNC New York Brentwood 325629 Rating 4.7 based on 97 votes Address 1825 Brentwood Road Brentwood, NY 11717 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 - Baldwin GNC Outlet - Albertson GNC Outlet - Auburndale GNC Outlet - Astoria People Also Viewed