Enzyme Support for Healthy Histamine Metabolism DAO Support by Compounded Nutrients is a novel formula designed to support the typical function of the DAO (diamine oxidase) enzyme — your body's primary tool for breaking down histamine, especially the histamine found in foods. By supporting DAO activity, it helps your body maintain a balanced histamine response. Why You'll Love It DAO enzyme support — porcine kidney powder is a natural source of the DAO enzyme Essential cofactor — copper is a critical cofactor that supports DAO activity Histamine balance — EGCG (green tea) and botanicals support a healthy histamine response Antioxidant support — pine bark, black cumin, and green tea add antioxidant support How to Use Take as directed on the product label, or as recommended by your healthcare practitioner. Contains porcine (pork) kidney powder. If pregnant, nursing, taking medications, or have a medical condition, consult your healthcare practitioner before use. Key Ingredients Porcine kidney powder (a natural source of DAO), copper, pine bark extract, black cumin powder, and EGCG (green tea extract). Looking for broader histamine and seasonal support? Explore Hista-Aid and DTE Hista-Ease. 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.