Histamine intolerance DAO

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Histamine Intolerance DAO

*Please note: this test requires a SERUM blood draw and shipping costs will be incurred*

The diamine oxidase (DAO) enzyme is responsible for breaking down histamine in your body. A DAO deficiency is one of the most common causes of histamine intolerance.

Histamine Intolerance occurs when there is an overproduction and accumulation of histamine in the body due to the inability to break it down. This may cause a range of chronic symptoms, such as an allergic-like reaction, congestion, asthma, and digestive tract disorders, among others.