The Immunotype Breakthrough

Your Personalized Plan to Balance Your Immune System, Optimize Health, and Build Lifelong Resilience

Available now through these fine retailers:


Your guide to balanced immunity.

To most of us, the immune system is seemingly unknowable — it’s an invisible, complex network of cells, receptors, and messengers, and there’s no standard way to see if it’s functioning as it should. Yet in spite of this, it affects every aspect of our health, influencing (and sometimes even causing) nearly every disease known to humanity. Much has been made about “boosting” immunity, but what exactly does that mean, and what if boosting isn’t really what your unique system needs?

In my new book, I explain why immune system balance is key. I’ll walk you through the four primary Immunotypes—Smoldering, Weak, Hyperactive, and Misguided—that underlie the immune imbalances that commonly lead to disease, chronic inflammation, infection, allergies, and autoimmunity. By identifying your personal immunotype—where you fall on this immunity spectrum—you can intervene by making focused, individualized, natural lifestyle changes to ensure it functions optimally.

"An indispensable roadmap to balancing your immune system."

functional medicine philadelphia — Moday Center logo

Dr. Jolene Brighten Author of Beyond the Pill

"A revolutionary book from one of the best immunity experts around."

functional medicine philadelphia — Moday Center logo

Jason Wachob Founder & Co-CEO of mindbodygreen

"Dr. Moday gives us action steps we can each take to prioritize our immune system to elevate our overall health."

functional medicine philadelphia — Moday Center logo

Dr. Will Cole New York Times bestselling author of Intuitive Fasting

"This book will help anyone suffering from an immune or autoimmune disorder take steps toward healing."

functional medicine philadelphia — Moday Center logo

Darin Ingels, ND Author of The Lyme Solution

"A must-read for anyone who has experienced the pitfalls of conventional medicine."

functional medicine philadelphia — Moday Center logo

Amy Myers, MD New York Times bestselling author of The Autoimmune Solution

“The most important guide available today to understanding and optimizing our immune function.”

functional medicine philadelphia — Moday Center logo

Mark Hyman, MD New York Times bestselling author of Food

Get focused information on:

Accessible Science

The complex immune system demystified and broken down into understandable language and applicable advice.

Practical Takeaways

Research backed information on nutrition, sleep, stress and other contributors to immune health and step by step plans to optimize your personal immune system.

Interactive Quizzes

Determine your personal immunotype so you can customize your plan.


Get a sneak peak into what Dr. Mark Hyman calls “the most important guide available today”.

Dr. Heather Moday

Meet Dr. Heather Moday


I started The Moday Center after getting frustrated by the limitations of conventional medicine and realizing it didn’t always help people get better. I knew that there was a better way. One that combined cutting edge, in-depth science, along with a holistic mind-body-spirit approach. I believe that we all have an inherent ability to heal when given the right tools, support and nourishment.


As a doctor trained in both traditional medicine and functional /integrative medicine, I spend my days literally helping individuals transform their relationship with their health. I have dedicated myself to teaching my clients how to optimize their personal environment, upgrade their nutrition, and improve their stress so they can live a vital, happy, productive life – free of disease. I understand that people feel abandoned by our medical system, left behind to search for answers in books, or on the internet without a specialist to cut through all the noise and guide them to what will work for them.


My passion is working with motivated and dedicated people who want to transform their health. I have special interests in the role of stress and the environment on our immune system and our overall health, the gut/ brain connection, mood and cognition issues, and helping people to improve brain function and productivity.

Featured On Keeping it Real with Jillian Michaels

Listen to Dr. Heather Moday as she discusses banishing autoimmune diseases.

Enjoy immune resilience, vitality, and longevity.

Download a free chapter