Information on GNC in Downingtown, PA 19335 Outlet Note Regular Brands GNC Pennsylvania Downingtown 326498 Rating 4.7 based on 97 votes Address Brandywine Village s/C Downingtown, PA 19335 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 - Avondale GNC Outlet - Audubon GNC Outlet - Ardmore GNC Outlet - Abington People Also Viewed