As cats get older, they need precise nutrition that helps them maintain the health of their vital organs. Hill's Science Diet Mature Adult 7+ cat food with ocean fish is formulated to meet the special requirements of cats aged 7 years or older. Designed for feline kidney health, this senior cat food made with natural ingredients is easy to digest and packed with quality protein for lean muscle maintenance. The clinically proven blend of antioxidants, vitamin C and vitamin E help promote lifelong immune support in your older cat.