Hill’s Science Plan Feline Mature Adult 7+ Active Longevity Chicken helps preserve kidney and vital organ function. Formulated with clinically proven antioxidants, omega 3s and reduced phosphorus. Key Benefits Antioxidant vitamins E&C to help preserve healthy kidneys. Highly digestible ingredients for optimal nutrient absorption. Sustains healthy vital organs with balanced mineral levels. Made with high quality ingredients for great taste. 100% guaranteed.