It's not just older dogs that suffer from joint problems. Young dogs grow very quickly and are extremely active, all of which can take its toll on dog's joints, ligaments and tendons.A premium, natural formula to help stiff and older dogs. The unique ActivEase green lipped mussel from the crystal clear waters of New Zealand provides an incredibly concentrated source of omega 3, which is proven to soothe stiff joints. Glucosamine provides the major building blocks of cartilage - the tough connective tissue that protects the joints. Hyaluronic acid supports the synovial fluid, and helps to lubricate and cushion the joint.