Information on GNC in Seattle, WA 98115 Outlet Note Regular Brands GNC Washington Seattle 329805 Rating 4.7 based on 97 votes Address 8500 35th Avenue Ne Seattle, WA 98115 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 - Seattle GNC Outlet - Seattle GNC Outlet - Seattle GNC Outlet - Seattle People Also Viewed