Information on GNC in Alma, MI 48801 Outlet Note Regular Brands GNC Michigan Alma 325144 Rating 4.7 based on 97 votes Address 1341 Wright Avenue Alma, MI 48801 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 - Bridgeport GNC Outlet - Bay City GNC Outlet - Bay City GNC Outlet - Birch Run People Also Viewed