Information on GNC in Yakima, WA 98902 Outlet Note Regular Brands GNC Washington Yakima 330781 Rating 4.7 based on 97 votes Address 12 n 9th Avenue Yakima, WA 98902 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 - Yakima GNC Outlet - Yakima GNC Outlet - Yakima GNC Outlet - Yakima People Also Viewed