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).