HistDAO

HistDAO™ is an enzyme formula containing diamine oxidase (DAO)—the main enzyme responsible for the degradation of ingested histamine. This enzyme has been clinically tested and found to break down food-derived histamine in the digestive tract. DAO is not absorbed and does not have systemic activity. HistDAO does not manage or address antibody-related or IgE-related food allergies.*   *This statement has not been evaluated by the Food Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.