Serve your senior cat a high protein cat food designed to nourish four vital systems of their health with Purina Pro Plan Vital Systems Salmon and Rice Formula Dry Senior Cat Food 4-in-1 Formula. Crafted in partnership with our expert nutritionists, this Purina Pro Plan cat food features advanced 4-in-1 support for senior cats. This formula is designed to offer your cat companion immune support with an antioxidant blend, prebiotic fiber for cats for digestive health, Omega-3 fatty acids for kidney support for cats and choline for brain health. Every serving of this adult cat kibble includes 100 percent complete and balanced nutrition, with real salmon as the number one ingredient. Feel confident you're giving your cat high-quality nutrition as Purina Pro Plan Cat Food Vital Systems formulas are proudly manufactured at Purina-owned US facilities. Give your cat a formula that offers healthy ingredients for proactive health by feeding them this high-quality Purina cat dry food formula.