Hyaluronic Acid – a naturally occurring compound found in synovial joint fluid vital for cushioning and lubricating joints Shellfish Free Glucosamine – a natural building block of healthy cartilage that helps maintain this joint component MSM – a source of sulfur that supports the elasticity and flexibility of connective tissue in the joints (Hyaluronic Acid by Natrol (incl Laci Le Beau Teas))Other products from HerbsPro