Information on GNC in Allendale, NJ 07401 Outlet Note Regular Brands GNC New Jersey Allendale 325134 Rating 4.7 based on 97 votes Address 44 West Allendale Avenue Allendale, NJ 07401 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 - Bergenfield GNC Outlet - Belleville GNC Outlet - Bloomfield GNC Outlet - Bloomfield People Also Viewed