DAO enzyme according to its origin: animal or vegetable?

(An article written in August 2022 and updated in May 2024) We know that the Diamine Oxidase (DAO) enzyme is the main responsible for metabolizing a molecule that we ingest through the diet called histamine. This biogenic amine that we find in many foods has not any functions in our body (unlike the one we […]

Which substances can act as natural antihistamines?

It has been described certain antihistamines which block the Diamine Oxyadase (DAO) enzyme. In this sense, the symptoms of DAO deficiency could be worse after taking this medication and, for this reason, there is great interest in finding natural substances which act as antihistamines and do not inhibit the enzyme. Antihistamines are a class of […]

SIBO, histamine and DAO deficiency

Millions of bacteria and microorganisms coexist in our intestines. These must be in harmony and maintain a homeostasis among them, with a greater proportion of beneficial bacteria and few pathogenic bacteria. In addition to the type of bacteria, the place where these bacteria live is also important, and most of them live in the most […]