Treat your senior dog to a superior nutrition plan that keeps them fit and healthy for years to come. With all the benefits of a high animal meat, grain-free formula, Nulo senior formula also includes Glucosamine and Chondroitin to support hip & joint health. And the addition of L-Carnitine helps the metabolism of fats for dogs that aren’t quite as active as they used to be. Who says old pups slow down? With Nulo FreeStyle™ they can get better with age.