Hours Of Operations GNC Michigan Bay City GNC Hours of Operation and Locations in Bay City, MI 4.9 - 150 votes 2 Locations in Bay City GNC Hours Category: Beauty & Health GNC - Bay City, MI 48708 500 Lafayette Avenue View Store Details GNC - Bay City, MI 48706 4101 Wilder Road, Suite e-500(989) 684-9868 View Store Details Explore Bay CityView More Apparel MarshallsKmartBig LotsCarharttCarter's Sports TargetVansRoxyWest MarineDunham's Sports Jewelry MarshallsZalesKay JewelersAvonMeijer Recommend For You Cotton on Bally Total Fitness Eastern Mountain Sports Trader Joe's The Athlete's Foot Diane's Beachwear Bottega Veneta Hanna Andersson Louis Vuitton Sportsman's Warehouse