Jarrow FORMULAS Ultra Joint Builder addresses total joint health by providing nutrients for proper cartilage formation; facilitating proper joint lubrication; and promoting a healthy inflammatory response within the joint.* Hyaluronic Acid provides the matrix for joint lubrication (synovial fluid); skin hydration; and skin repair.* Hyal-Joint hyaluronic acid has clinically documented bioavailability; having been shown to increase synovial fluid and improve joint mobility.* Chondroitin Sulfate is a major component of joint cartilage and is important in maintaining the structural integrity of this tissue.* Glucosamine Sulfate is a stable; clinically studied form of glucosamine; which is essential for the proper formation of tendons; ligaments; synovial fluid; bones; skin; nails; and blood vessels.* MSM is a sulfur donor; sulfur is essential for the formation of chondroitin sulfates.* Bromelain is a protein digesting enzyme from pineapple that affects protein turnover in the body; including proteins found in joint tissue.* Calcium Fructoborate (Fruitex-B ) is a clinically documented; naturally occurring plant source of the trace mineral boron. Boron is essential for healthy bone and joint function.* For best results; use with Jarrow FORMULAS JarroSil ; the biologically Activated Silicon . Store in a cool; dry place. Keep out of the reach of children.