Dietary Supplement. Helps lubricate joints. Helps support connective tissue health. Natrol Hyaluronic Acid helps to lubricate joints and support connective tissue. Hyaluronic Acid is a naturally occurring component of the body and can be found in almost all adult connective tissue, including joints and skin. It is a vital structural component of the skin, that is responsible for the skin's moisture and elasticity. No milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts, soybeans, yeast, corn, glutens, artificial colors or flavors, added sugar, starch or preservatives. www.natrol.com. BioCell Collagen. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)