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. LubriSyn promotes healthy joint function and helps maintain consistent levels of HA in the blood and synovial fluid. Economical gallon size provides 256 doses at a great price. Can be used with or without our special dosing gun. PLEASE NOTE: KBC MAY ONLY SHIP LUBRISYN WITHIN THE USA.