Purina Pro Plan Vital Systems 4-in-1 Support Chicken and Egg Adult Dry Cat Food is an advanced 4-in-1 adult cat diet designed to nourish immune, digestive, muscle, and brain health. It starts with real chicken and egg as quality protein sources to maintain strong muscles, and includes antioxidants like vitamin E to support immune defenses. A natural prebiotic fiber is added to aid digestive balance, while essential nutrients (including taurine and choline) promote healthy brain and vision function. This high-protein, no artificial colors or flavors formula delivers all the essential nutrients adult cats need for everyday vitality. Available in Multiple Sizes and Pack Options