Information on GNC in Lansdale, PA 19446 Outlet Note Regular Brands GNC Pennsylvania Lansdale 327792 Rating 4.7 based on 97 votes Address 10 West Main Street Lansdale, PA 19446 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 - Audubon GNC Outlet - Abington GNC Outlet - Ardmore GNC Outlet - Bensalem People Also Viewed