Adult cats have particular needs throughout their lives, requiring certain nutrients to remain in good health. Purina Pro Plan Original Adult Cat Optirenal - Rich in Chicken has been perfectly developed to meet these nutritional and energy needs, helping to offer your cat a long, healthy and active life. Purina Pro Plan Original Adult Cat Optirenal - Rich in Chicken contains OptiRenal, a special mixture of nutrients with vitamins C and E, beta-carotene, arginine and the omega-3 fatty acids EPA. OptiRenal has been proven to improve kidney function and slow the ageing 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. Purina Pro Plan Original Adult Cat Optirenal - Rich in Chicken at a glance: The proteins and carbohydrates in Purina Pro Plan Original Adult Cat Optirenal - Rich in Chicken are easily digestible and promote optimal nutrient absorption, as well as reduced stool content and improve quality High protein content to aid the formation of antibodies and active antioxidants to support the immune system High-quality chicken as the number one ingredient guarantees your cat will love it Unique kibble shape and texture helps fight plaque and tartar, reducing both by up to 40% Your cat has four natural protective systems, which work together to maintain its health and well-being: skin and coat, digestive system, urinary system and immune system. Adding nutrients to cats' diets has been scientifically proven to help these four systems work together seamlessly, to optimize your cat’s health. Pro Plan After Care with “Natural Feline Protection” strengthens all four feline protective systems: - - Skin Coat: Vitamin A, linoleic acid and zinc, to improve skin’s texture and elasticity. Essential fatty acids from fish oil, to ensure thick, glossy fur Digestive System: Increased content of fish protein and a reduced carbohydrate content, for a moderate glucose intake and limited fat deposits Urinary System: Neutralising recipe for healthy urinary tract and effective kidney function, to reduce the risk of urinary stone build-up, which is increased in sterilised cats Immune System: High protein content for building antibodies and active antioxidants, to support quick disease resistance Pro Plan cat food protects your cat by helping to develop and maintain a healthy immune system, healthy skin and coat, and healthy digestion. All Purina Pro Plan recipes have been developed by veterinarians and nutrition specialists, to provide a complete and balanced diet for your cat, based on its particular phase of life and activity level. Please note: This product is not available for delivery to Northern Ireland or the Channel Islands.