Pro Plan House Cat is a complete dry food for cats who spend most of their time indoors. Pro Plan House Cat cat food reduces the accumulation of hairballs. Unpleasant litter box smells will also be reduced (up to 20%) as will tartar build-up on your cat´s teeth (up to 40%). Full-grown cats have particular dietary requirements. Pro Plan Adult is specially developed to cater to these needs with a high-quality food providing all the nutrients & energy your cat needs to live a long healthy active life. Pro Plan House Cat contains Opti Renal a special mixture of nutrients containing vitamins C E B-Carotine arginine & Omega-3 fatty acid EPA. Opti Renal has been proven to improve kidney function & slow the aging process of the kidney to support lifelong healthy kidney function. This exclusive recipe was developed to protect the kidneys of adult cats one of the biggest health concerns of cat owners. Oat fibre & cellulose in Pro Plan House Cat help control hairball formation & guide hair gently through the digestive tract instead Developed with a natural source of inulin (chicory root) to reduce unpleasant litter box smells by up to 20% High-quality chicken as the number one ingredient guarantees your cat will love it Unique kibble shape & texture helps fight plaque & tartar reducing both up to 40% Your cat has four natural protective systems which work together to maintain its health & well-being Skin & coat digestive urinary & immune systems. Adding nutrients to cat´s diets has been scientifically proven to help these four systems work together seamlessly to optimize your cat´s health. Pro Plan House Cat with ´ Natural Feline Protection´ strengthens all four feline protective systems Skin & Coat Vitamin A linoleic acid & zinc to improve skin´s texture & elasticity. Essential fatty acids from fish oil to ensure thick glossy fur. Digestive System High-quality grains natural prebiotics & rice for easy digestion & noticeable odour reduction in the litter box Urinary Health Strengthened protection with Opti Renal enhanced urinary function through essential minerals & urine PH-control to lower the risk of kidney stones Immune System High protein content for building antibodies & helpful antioxidants to support quick disease resistance Pro Plan cat food protects your cat by helping to develop & maintain a healthy immune system healthy skin & coat & healthy digestion. All Purina Pro Plan recipes have been developed by veterinarians & nutrition specialists to provide a complete & balanced diet for your cat based on its particular phase of life & activity level.