Information on GNC in Tonawanda, NY 14150 Outlet Note Regular Brands GNC New York Tonawanda 330253 Rating 4.7 based on 97 votes Address 2330 Niagara Falls Blvd. Tonawanda, NY 14150 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 - Amherst GNC Outlet - Amherst GNC Outlet - Amherst GNC Outlet - Amherst People Also Viewed