Advanced formula. All natural. Physician"s 1st choice. A naturally occurring skin and joint hydrator/lubricator. Physician developed. With shea butter, glucosamine, MSM and Vitamin E. Hyaluronic Acid (HA) is a naturally occurring compound found in every tissue of the body - with the highest concentrations found in the skin and synovial fluid in the joints. In the skin, it helps the retention of moisture and functions as a lubricant between the connective tissues. In joints & cartilage, HA helps support the fluids that lubricate and provide shock absorption. As we age, HA can help increase our overall skin and joint health. (This product and these statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.) No animals were used to test this product. Manufactured in the USA.