Information on GNC in Boise, ID 83705 Outlet Note Regular Brands GNC Idaho Boise 325576 Rating 4.7 based on 97 votes Address 1100 Vista Avenue Boise, ID 83705 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