Information on GNC in Manistee, MI 49660 Outlet Note Regular Brands GNC Michigan Manistee 328115 Rating 4.7 based on 97 votes Address Cypress Plaza, 1243 u.s. 31 South Manistee, MI 49660 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 - Big Rapids GNC Outlet - Alma GNC Outlet - Bay City GNC Outlet - Bay City People Also Viewed