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DAO Blockers

Foods that may inhibit diamine oxidase (DAO), the enzyme that breaks down histamine.

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Moderate Histamine

High Histamine

Before you eat

The foods on this list can interfere with DAO, the enzyme your body uses to break down the histamine in food. A lot of people with histamine intolerance take a DAO enzyme supplement 15 to 30 minutes before a meal to support that natural process. Curious how it works? See do DAO supplements actually work.

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