Information on GNC in Houma, LA 70363 Outlet Note Regular Brands GNC Louisiana Houma 327395 Rating 4.7 based on 97 votes Address 1214 Grand Caillou Road Houma, LA 70363 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 - Belle Chasse GNC Outlet - Gretna GNC Outlet - Gretna GNC Outlet - Gretna People Also Viewed