Information on GNC in Boise, ID 83702 Outlet Note Regular Brands GNC Idaho Boise 325575 Rating 4.7 based on 97 votes Address 1515 West State Street Boise, ID 83702 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 - Boise GNC Outlet - Boise GNC Outlet - Boise GNC Outlet - Boise People Also Viewed