PURINA ONE Coat & Hairball 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 damage associated with aging and poor health Omega 3 & 6 fatty acids helps keep skin healthy to maintain a strong barrier to the external environment Beta glucans to help support optimal immune response PURINA ONE Adult Coat & Hairball Dry Cat Food with Chicken contains a blend of natural plant fibres to help minimise hairballs and omega 3 & 6 fatty acids to give your cat a radiant coat and help nourish and protect their skin. 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 environment- Beta glucans to help support optimal immune response Contains Omega 3 fatty acids and zinc, to help nourish and protect your cat's skin Made with a natural fibre blend to help minimise your cat's hairballs Contains Omega 6 fatty acids to help maintain your cat's strong and healthy coat Real chicken is the #1 ingredient