Mobility Functional Dog Treats are crunchy dog treats containing omega-3 fatty acids and antioxidants to support joint mobility and flexibility. Chicken cartilage provides the natural building blocks of glucosamine and chondroitin production within the body to help maintain joint health. Added Egg Shell Meal is packed with proteins, collagen, and beneficial compounds like glucosamine, chondroitin, and hyaluronic acid, and is known for supporting mobility and flexibility, especially in aging or active pets.