Information on GNC in Kettering, OH 45429 Outlet Note Regular Brands GNC Ohio Kettering 327661 Rating 4.7 based on 97 votes Address 1320 East Stroop Road Kettering, OH 45429 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 - Bowling Green People Also Viewed