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Outsmart Histamine.

The no-nonsense, Functional Medicine approach to histamine intolerance.

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Browse the library for in-depth articles, simple to follow guides, the latest research, and other free histamine intolerance resources.

Join the private Outsmart Histamine Facebook group. Find connection and accountability with other members, and get exclusive updates and content.

Get 1:1 personalized guidance from Dr. Gannage. Book your virtual Functional Medicine consultation, wherever you are in the world.


The Histamined Difference

Get to the root of your histamine problem.

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In my Functional Medicine practice, my approach to managing histamine intolerance involves uncovering hidden sources of inflammation and other underlying issues, healing the gut, and developing an evidence-based, nutrition-focused plan for success. 

I've helped countless patients solve the health problems that have eluded them with the help of my histamine-focused protocol. Now, I want to share my 25+ years of experience with you.

Whether you are just browsing through the archives, joining our Facebook community, or booking a 1:1 consult with me, I hope I can help you to outsmart histamine and achieve optimal health.

Dr. John Gannage, MD


The low histamine diet

Tips and tricks for understanding and mastering the low histamine diet.


Histamine & the gut

The root cause of histamine intolerance can often be traced back to an imbalance in the gut.


Histamine & migraines

Research has shown that 87% of those who suffer from chronic migraines are deficient in DAO.

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