Purina Pro Plan Focus Adult 11+ Chicken & Rice Formula is specially designed to help senior cats thrive. This formula is rich in antioxidants to help promote a healthy immune system. It also features Vitamin A and taurine to help support healthy vision. Real chicken is the #1 ingredient and the formula is made with 42% protein to help meet a mature cat's unique nutritional needs. Every cat is special and you want the best for her. With over 50 formulas, Purina Pro Plan can help you find our best cat food to meet your cat's unique needs.