Hill Science Plan Adult Lamb & Rice adult dog food is a complete meal designed by pet experts to provide complete nutrition to adult dogs. Made from natural ingredients such as lamb and rice, Hills Science Plan Adult Lamb & Rice food is packed with nutrients that promotes a healthy growth. Lamb and rice support the bone and joint health while the micro nutrients encourage digestion of the food and helps maintain weight. The food is a complete food that strengthens the immune system and keeps dental problems at bay. It is a complete food and does not require any additives.