Information on GNC in Glenwood Springs, CO 81601 Outlet Note Regular Brands GNC Colorado Glenwood Springs 327062 Rating 4.7 based on 97 votes Address 1412 Grand Avenue Glenwood Springs, CO 81601 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 - Carbondale GNC Outlet - Avon GNC Outlet - Delta GNC Outlet - Boulder People Also Viewed