Dietary Supplement Joint Health Extra Strength Supports Normal Joint Function* High Potency Glucosamine & Chondroitin are naturally occurring structural components that have recently enjoyed growing popularity. Glucosamine is an amino sugar derived from he chitin of shellfish and is used by the body to support healthy joint structures. Chondroitin complements Glucosamine and works synergistically to provide optimal nutritional support.* NOW Foods developed the glucosamine test method chosen as the official AOACI Industry standard method. Contains no: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg or preservatives. *These statement have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.