Hill's Science Plan Canine Mature Adult 7+ Active Longevity Medium with Chicken is formulated to sustain mobility & healthy vital organs. With clinically proven antioxidants & glucosamine & chondroitin from natural sources. Key Benefits: Joint & mobility support with glucosamine & chondroitin from natural sources. Sustains healthy vital organs with balanced sodium & phosphorus levels. Highly digestible ingredients for optimal nutrient absorption. Made with high quality ingredients for great taste. 100% guaranteed.