Information on GNC in Baltimore, MD 21237 Outlet Note Regular Brands GNC Maryland Baltimore 325368 Rating 4.7 based on 97 votes Address 6402 Golden Ring Road Baltimore, MD 21237 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 - Baltimore GNC Outlet - Baltimore GNC Outlet - Baltimore GNC Outlet - Baltimore People Also Viewed