When your cat becomes an adult (at the age of one year), his nutritional needs change and you must adapt his diet accordingly. It is important that he receives the nutritional balance suitable for his adult life in order to maintain good health. Purina CAT CHOW Adult Rich in Chicken contains all the essential nutrients for your cat to lead an active and healthy life. It contains vitamin E to support its natural defences, group B vitamins to help its body to use nutrients efficiently and quality proteins, carefully selected, to maintain its muscle mass. Purina CAT CHOW Adult is a complete and balanced food, also containing natural prebiotics which contribute to the proper functioning of the digestive system.