Information on GNC in Thomaston, CT 06787 Outlet Note Regular Brands GNC Connecticut Thomaston 330207 Rating 4.7 based on 97 votes Address 495 South Main Street Thomaston, CT 06787 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 - Bristol GNC Outlet - Farmington GNC Outlet - Cheshire GNC Outlet - Bloomfield People Also Viewed