Hill's Science Plan Canine Mature Adult 7+ Active Longevity Medium with Chicken is formulated to sustain mobility and healthy vital organs. With clinically proven antioxidants, and glucosamine and chondroitin from natural sources. Key Benefits 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. Made with high quality ingredients for great taste. 100% guaranteed.