Diamine Oxidase (DAO) Enzymes

Diamine Oxidase (DAO) Deficiency

Diamine oxidase dietary supplements supply the DAO enzyme that the body produces naturally to support the breakdown of dietary histamine in the gut. When taken before consuming high-histamine foods or...

Diamine Oxidase (DAO) Deficiency

Diamine oxidase dietary supplements supply the DAO enzyme that the body produces naturally to support the breakdown of dietary histamine in the gut. When taken before consuming high-histamine foods or...

Choosing a DAO Supplement

OmneDiem® DAO products use DAOgest®, a standardized, porcine kidney-derived DAO ingredient — the same form studied in published human research. We back it with third-party testing and published human research.

Choosing a DAO Supplement

OmneDiem® DAO products use DAOgest®, a standardized, porcine kidney-derived DAO ingredient — the same form studied in published human research. We back it with third-party testing and published human research.