Information on GNC in Sandusky, OH 44870 Outlet Note Regular Brands GNC Ohio Sandusky 329721 Rating 4.7 based on 97 votes Address 1420 Sycamore Line Road Sandusky, OH 44870 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 - Amherst GNC Outlet - Amherst GNC Outlet - Avon Lake GNC Outlet - Avon People Also Viewed