HISTDAO 60 TABLETSSupports Healthy Degradation of Food Derived Histamine Enhances the Presence of Diamine Oxidase in the Digestive Tract HistDAO provides a concentrated source of diamine oxidase (DAO)the main enzyme responsible for the degradation of ingested histamine. This formula delivers the clinically researched dose of DAO in an easy to swallow, gastro resistant mini tablet, which is essential for releasing DAO in the small intestine, where it breaks down food
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