Hill’s Science Plan Mature Adult Medium Dry Dog Food is ideal for supporting the energy levels, immunity and the health of vital organs in mature medium size adult dogs (seven years and older; 11 – 25 kg). It contains Hill’s superior antioxidant formula to increase vitality as well as natural sources of glucosamine and chondroitin to protect your agile older dog’s hips and joints. This top quality dog food maintains your dog’s quality of life.