DAO enzyme

DAO enzyme

DAO is an MVP when it comes to breaking down food-derived histamine.

Bottle contains 60 capsules

GMP Compliant Made in the USA Third-Party Tested


DAO enzyme

Why We Love This

It helps digest histamines in food allowing people to tolerate more foods!
Erica Armstrong
Erica Armstrong
MD, IFMCP, Founder of Root


  • Helps break down histamine with meals
  • Enhances the Presence of Diamine Oxidase in the Digestive Tract

FDA Statement

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.


Suggested dosage: Take 1-2 capsules no more than 15 minutes before meals.


Strength: 2 capsules provide 600mcg (20,000 HDU) of Diamine Oxidase (from porcine kidney protein concentrate).  

Other Ingredients: Microcrystalline cellulose, HPMC (capsule), sucrose, ascorbic acid, rice starch, shellac, hydroxypropyl cellulose, polyvinylpolypyrrolidone, hydrated magnesium silicate, acetylated corn starch, sodium carboxymethylcellulose, and glycerol.

**NOTE**: Avoid if allergic to pork or any other ingredient. DAO Enzyme is NOT EFFECTIVE for symptoms of immune-related food allergies (IgE), such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease

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