Natural BalanceTargeted Nutrition Formulas are created for your dogs' specific needs. On The Move helps support healthy joints and bones. It's vet formulated with ideal levels of calcium, phosphorus, copper, and manganese. Antioxidants help support hips and joints while L-Carnitine helps support lean muscle mass and helps maintain a healthy weight. On The Move is made with chicken, a natural source of glucosamine and chondroitin.