Information on GNC in Fostoria, OH 44830 Outlet Note Regular Brands GNC Ohio Fostoria 326891 Rating 4.7 based on 97 votes Address 113 North Countyline Street Fostoria, OH 44830 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 - Bowling Green GNC Outlet - Ada GNC Outlet - Amherst GNC Outlet - Bellefontaine People Also Viewed