We have researched and tested various DAO supplements to bring you the best options available on Amazon. DAO (diamine oxidase) is an enzyme that helps break down histamine in the body, making it a ...

This is the point where DAO supplements come in handy. DAO, or diamine oxidase, is an enzyme that breaks down histamine in the body. Taking a DAO supplement can help alleviate symptoms of ...

Histasolv, known as DAOSIN® in Europe, is the top-selling Diamine Oxidase (DAO) enzyme supplement in Europe, generating over $10 million in annual revenue. It addresses histamine food intolerance ...