Information on GNC in Hillsboro, OH 45133 Outlet Note Regular Brands GNC Ohio Hillsboro 327323 Rating 4.7 based on 97 votes Address 421 North High Street Hillsboro, OH 45133 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 - Brookville GNC Outlet - Bellefontaine GNC Outlet - Ada GNC Outlet - Ashland People Also Viewed