PURINA ONE® Dry Cat Food is specially formulated to provide your cat Visible Health for Life. Expertly combined with high quality ingredients to deliver a balanced nutrition & a delicious taste that your cat will surely love, you can witness 6 Signs of Visible Health in your cat with differences seen as early as 3 weeks. Now with the all-new IMMUNE DEFENCE PLUS+, PURINA ONE® Healthy Adult is 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 to help maintain the visible health of your cat from within. By feeding PURINA ONE® that is made with real salmon and tuna as it's first ingredient, this adult formulation provides complete and balanced nutrition to help your cat stay in good health, whatever the day brings. Take the 3-Week Challenge today to see the visible health differences in your cat! Made with high quality ingredients that enables high nutrient absorption.Digestive health supported by prebiotic fibre.Helps reduce tartar and plaques build-up with crunchy kibble which encourages chewing for dental hygiene.Made with real Salmon & Tuna as #1 ingredient.