Seeking Health DAO Enzyme, a recognized brand for the commonly-tried histamine-intolerance-adjacent option; C-tier evidence, graded separately from Afrin's own algorithm.

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Educational only, not medical advice. Talk to a doctor about your individual circumstances before acting on this.

Called for in

• MCAS: The Step-Up Treatment Approach · Lawrence Afrin, MD
• MCAS: The Low-Histamine Diet and Trigger Diary · Lawrence Afrin, MD

Experts who call for it

Lawrence Afrin, MD

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