PRO PLAN ADULT combines all essential nutrients including vitamins A, C and E, also omega 3 & 6 fatty acids and a natural prebiotic in a high quality diet for cats. PRO PLAN provides a complete, balanced diet which promotes a healthy and happy life for your cat. OPTIRENAL is a scientifically designed combination of ingredients which promotes healthy kidneys. The high protein content helps to nourish the cat's muscles which helps them to keep a lean body condition. The coat stays nourished from the combination of essential nutrients and the teeth are protected from plaque and tartar build-up by the crunchy kibble and special minerals contained within.