PURINA ONE Urinary Care with IMMUNE DEFENCE PLUS+ has been specially formulated with beta glucans, vitamin C & E and omega 3 & 6 fatty acids. Working in parallel this blend helps support first line immune defence for your cat: Vitamin E & C are natural antioxidants that help prevent cell damageassociated with aging and poor health Omega 3 & 6 fatty acids helps keep skin healthy to maintain a strong barrierto the external environmentPURINA ONE Urinary Care Dry Cat Food with Chicken is rich in antioxidantsand contains balanced minerals to help promote kidney health and control urinary pH. Urinary Care with omega-3 fatty acids to help support natural anti-inflammatory processes Promotes Kidney Health: Supported with formulation rich in antioxidants Helps Maintain Urinary Tract Health supported by balanced minerals to help control urine pH