Safety Warning: Children and pregnant or lactating women should consult their healthcare practitioner prior to use. This product contains an ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient. Histamine Block Plus is not effective for symptoms of immune-related food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease. DAO is not absorbed and does not have systemic activity.
