There are several natural ways to increase DAO enzyme levels, such as consuming foods that are rich in DAO, including beef, pork, and kidney beans. Additionally, incorporating foods that are high ...

A 2018 review describes histamine as having a ‘paradoxical nature’, as it can both increase ... also compete for DAO. This means that if someone eats lots of these foods, histamine will ...

Some can even increase DAO activity. For this reason, people with histamine intolerance may benefit from consuming more foods and drinks rich in these nutrients. A person may also benefit from ...

Diamine oxidase (DAO) is an enzyme that your body makes to break down histamine from foods. If your body doesn't produce enough DAO, you may have diamine oxidase deficiency. ‌ Without enough of ...

It naturally occurs in certain foods — especially those that are aged, cured, or fermented like cheese, wine, pickles, and smoked meats (1). DAO keeps histamine levels in a healthy range to ...