Information on GNC in Phoenix, MD 21131 Outlet Note Regular Brands GNC Maryland Phoenix 329181 Rating 4.7 based on 97 votes Address Jacksonville Manor s/c, 3463 Sweet air Road Phoenix, MD 21131 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