Like all Victor Formulas, this Senior / Healthy Weight food is free from Corn, Wheat, Soy, Gluten. It contains multiple additives with Complex Minerals and Antioxidant Vitamins that work together promoting excellent digestive and immune system health. Also included are excellent levels of Glucosamine and Chondroitin that work together to support long term joint health. L-Carnitine is an amino acid added in this food at the rate of 200 mg/kg. L-Carnitine helps the body burn additional fat, making it an ideal ingredient to be included in this food. All said, this is an excellent choice for the older, less active dog and or dog of any age that is in need of reducing weight.