Dietary Supplement Joint Health High Potency Supports Healthy Joint Function* Glucosamine is an amino sugar derived from the chitin of shellfish. It is utilized by the body to support healthy joint structures.* 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 statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.