Hill's Natures Best™ Feline Mature Adult/Senior 7+ Chicken is formulated to meet the special requirements of cats over 7 years of age. Key Benefits · Antioxidant vitamins E&C to help preserve healthy kidneys. · Highly digestible ingredients for optimal nutrient absorption. · Helps sustain healthy vital organs with balanced mineral levels. · Made with high quality ingredients for great taste. 100% guaranteed.