The Yumove Joint Care For Senior Dogs is recommended for older dogs, or dogs who require extra joint support, these tablets help to keep your dog active for life in three ways: soothing stiff joints, supporting joint structure and aiding mobility. Contains hyaluronic acid, a major part of synovial fluid and part of the unique formula, which helps to lubricate and cushion the joint. Clinically proven to work in just 6 weeks (Canine study conducted by the Royal Veterinary College).