Information on GNC in Lancaster, PA 17603 Outlet Note Regular Brands GNC Pennsylvania Lancaster 327779 Rating 4.7 based on 97 votes Address 1550 Columbia Avenue Lancaster, PA 17603 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