Information on GNC in Gardner, MA 01440 Outlet Note Regular Brands GNC Massachusetts Gardner 326998 Rating 4.7 based on 97 votes Address 232 Main Street Gardner, MA 01440 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 - Clinton GNC Outlet - Auburn GNC Outlet - Acton GNC Outlet - Concord People Also Viewed