Information on GNC in Lancaster, PA 17602 Outlet Note Regular Brands GNC Pennsylvania Lancaster 327782 Rating 4.7 based on 97 votes Address 825a East Chestnut Street Lancaster, PA 17602 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 - Lancaster GNC Outlet - Lancaster GNC Outlet - Lancaster GNC Outlet - Lancaster People Also Viewed