No matter what age, you want to provide your adult dog optimal nutrition to help keep your dog healthy and active. Feed one Greenies JointCare Dog Treat daily to help maintain a lifetime of healthy joints for your dog. JointCare delivers joint-healthy nutrients that help maintain healthy joints and cartilage by using nutrient rich ingredients like green lipped mussels. And because it is from Greenies you know your dog will love the taste. Help your dog enjoy a full, active, happy life.