Information on GNC in Grand Junction, CO 81501 Outlet Note Regular Brands GNC Colorado Grand Junction 327092 Rating 4.7 based on 97 votes Address 1834 North 12th Street Grand Junction, CO 81501 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 - Grand Junction GNC Outlet - Grand Junction GNC Outlet - Grand Junction GNC Outlet - Grand Junction People Also Viewed