Xymogen HistDAO 60 Veg Capsules:, , Supports Healthy Degradation of Food-Derived HistamineSupports Healthy Degradation of Food-Derived HistamineEnhances the Presence of Diamine Oxidase in the Digestive TractHistoDAO is a patented 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., , Supplement FactsServing Size: 2 Capsules, , Amount Per Serving% Daily ValueVitamin C (as ascorbic acid)20 mg33%Diamine Oxidase (from porcine kidney protein concentrate)20,000 HDU**** Daily Value not established.All XYMOGEN Formulas Meet or Exceed cGMP Quality Standards., , Directions:Take one to two capsules no more than 15 minutes before the consumption of histamine-rich foods, or take as directed by your healthcare practitioner., , Does Not Contain:Wheat, gluten, yeast, soy, dairy products, fish, shellfish, peanuts, tree nuts, egg, artificial colors, artificial sweeteners, or artificial preservatives., , Caution:Consult your healthcare practitioner before use, especially if you are pregnant or nursing. Keep out of reach of children. Avoid if allergic to pork or any other ingredient. HistDAO 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., , Storage:Keep tightly closed in a cool, dry place., , Other Ingredients:Microcrystalline cellulose, HPMC (capsule), sucrose, rice starch, shellac, hydroxypropylcellulose, polyvinylpolypyrrolidone, hydrated magnesium silicate, acetylated corn starch, sodium carboxymethylcellulose, and glycerol.,