Information on GNC in Monroeville, PA 15146 Outlet Note Regular Brands GNC Pennsylvania Monroeville 328449 Rating 4.7 based on 97 votes Address 4534 Broadway Blvd. Monroeville, PA 15146 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 - Bethel Park GNC Outlet - Bethel Park GNC Outlet - Bethel Park GNC Outlet - Belle Vernon People Also Viewed