Information on GNC in Middlefield, OH 44062 Outlet Note Regular Brands GNC Ohio Middlefield 328340 Rating 4.7 based on 97 votes Address 15596 West High Street Middlefield, OH 44062 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 - Aurora GNC Outlet - Aurora GNC Outlet - Beachwood GNC Outlet - Beachwood People Also Viewed