(Halstrum) A patented daily supplement of hyaluronic acid (HA) which occurs naturally in healthy tissue. HA is the main component of the synovial fluid that cushions equine joints. Promotes healthy joint function and helps maintain consistent levels of HA in the blood and synovial fluid. Quart size comes in a twin-neck bottle with just over 64 doses- enough to last one horse approximately 32 days. *PLEASE NOTE: KBC CAN ONLY SHIP LUBRISYN WITHIN THE USA.*