Hill's Science Plan Canine Mature Adult 7+ Active Longevity with Chicken is precisely balanced nutrition to sustain mobility and healthy vital organs. With clinically proven antioxidants. With clinically proven antioxidants, and glucosamine and chondroitin from natural sources. Joint and mobility support with glucosamine and chondroitin from natural sources. Sustains healthy vital organs with balanced sodium and phosphorus levels. Highly digestible ingredients for optimal nutrient absorption.