Solgar Hyaluronic Acid 120 mg Tablets is one of Solgar's premium-quality bone and joint support products. Hyaluronic acid is a member of the family of molecules known as glycosaminoglycans. This family also includes chondroitin sulfate and some other large carbohydrate-containing molecules. Hyaluronic acid is an important component of the connective tissue that fills the spaces between cells of the skin and other tissues, and is a major ingredient of the synovial fluid that lubricates and cushions joints as well as the vitreous humor that fills the inner chamber of the eye.