Hashimoto’s Thyroiditis Root Cause Book Review

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Today I have a book review I have been wanting to share for some time. As most of you know, I suffer from Hashimoto’s disease, and although this blog is not thyroid-specific, I know a lot of you who suffer from it as well – Hashimoto’s is the most common autoimmune disease and often accompanies other autoimmune diseases (I also have Celiac). Because of its unfortunate prevalence, many books have been written about the healing of Hashimoto’s. Dr. Kharrazian revolutionized the functional treatment of Hashimoto’s disease when he released his excellent book, Why Do I Still Have Thyroid Symptoms When My Lab Work Is Normal? Besides this book, many have been written about certain aspects of healing from Hashimoto’s – diet, medication choices, patient advocacy, supplements, and the like, but I find many of them lacking because they make the mistake of zeroing in on only one aspect of healing while ignoring countless others.

This is where Izabella Wentz’s book, Hashimoto’s Thyroiditis: Lifestyle Interventions for Finding and Treating The Root Cause comes in. Instead of highlighting the one piece of the puzzle that helped her overcome her autoimmune thyroid condition, she has written a book that compiles all of her research about the different angles a person could go about healing. In this book, Wentz has done a good job of not placing too much weight on any of the parts, and instead given an overview of all of them and how a thorough examination of all aspects has the best chance of success. I love this approach, and it greatly lines up with my own experience with this condition. Instead of copying what has worked for others, I continued to delve deeper into my potential triggers for autoimmunity, eventually peeling back the layers and uncovering better health. In observing others, I have noticed the same approach being successful, although the puzzle pieces may be different. This is such a radical departure from the one-size-fits-all approach that people are looking for when researching how they can better help themselves with autoimmunity, but one I feel is extremely important.

After the introduction detailing her personal journey and philosophy, Wentz gives a short overview of Hashimoto’s disease, for those of us who may not know the basics – what it is, how the different hormones work, what tests are used for diagnosis, and so on. Next, she goes over all of the different types of medications for restoring hormone levels. This is where Wentz’s experience as a pharmacist is very useful – she gives her readers lots of details about the different types of medication, including conventional, natural desiccated, and compounded preparations. I come across a lot of people who want to try healing naturally before starting medication, but I agree with Dr. Wentz’s advice that the first step is to move towards optimizing hormone levels. It is true that with diet change and other natural interventions, people end up needing less medication – but as a hormone that every cell in your body has a receptor to, I believe that it is crucial to the healing process to have enough – even if this means that a person gets on medication, and then decreases as they work on other aspects of their journey.

After the section on medication, Wentz gives an overview of autoimmune disease and leaky gut. I think it is very important that those with Hashimoto’s treat it not as a thyroid disorder, but an autoimmune disease. Wentz does a great job here explaining the basics of autoimmunity, leaky gut and how to help the body recover from it. This piece is so important, and one that I believe a lot of books out there on Hashimoto’s miss.

Part 2 of the book covers what Wentz calls “finding the root cause”. She uses an acronym, DIG AT IT to remember the different topics that should be addressed for someone with Hashimoto’s. It stands for:

Depletions, Digestion
Iodine, Inflammation, Infection, Immune Imbalance
Gut, Gluten

Adrenals, Alkaline Phosphatase


While I find the acronym kind of clunky, I think that it is an excellent list of things that should be addressed for everyone with Hashimoto’s. I would definitely simplify it, especially where digestion is concerned – gut health, food allergies/intolerances, depletions and triggers could all be considered one category. All of the topics have their own chapter in the book, explaining at length the reasons why they are of importance for those with Hashimoto’s as well as what can be done to restore balance. Most (if not all) of them are not given any weight in the conventional treatment of the disease, which is part of the reason why most people do not feel better. It isn’t surprising to me that my own road to health has included dealing with all of the items Wentz outlines in her book.

My only complaint with the book, is that it could be better organized. I found similar information peppered throughout, instead of all together in one section. I found flipping through the book to find something I had read was difficult – for instance it was hard to remember if the section on elimination diets was with digestion, gut health, triggers, intolerances or toxins (it was with toxins). Even given this, I was amazed at how many different aspects of gut health she covers in the book, and wholeheartedly agree with her ideas and approach.

In conclusion, I think this is an excellent book for those with Hashimoto’s and believe that anyone with the disease would find a plethora of useful information to get started on their healing journey. One of my favorite things about the book, is that instead of only presenting information and approaches that worked for her, she does an excellent job bringing all of the knowledge to the table that is a result of her extensive research on the topic. This makes the book a little overwhelming to those who are looking for someone to give them “the answer” – but for those who are looking to pinpoint their “root cause” it is an excellent choice.

The book is available electronically as well as on amazon.com.

Do you have Dr. Wentz’s book? What did you think?

About Mickey Trescott

Mickey Trescott is a cook and one of the bloggers behind Autoimmune Wellness. After recovering from her own struggle with both Celiac and Hashimoto’s disease, adrenal fatigue, and multiple vitamin deficiencies, Mickey started to write about her experience to share with others and help them realize they are not alone in their struggles. She is a certified Nutritional Therapy Practitioner by the Nutritional Therapy Association, and is the author of The Autoimmune Paleo Cookbook, a guide and recipe book for the autoimmune protocol, and AIP Batch Cook, a video-based batch cooking program. You also can find her on Instagram.


  • Briana says

    Thanks for posting this review. I’m interested to take a look at it. If you don’t mind me asking, does she address Hashimoto’s in the patient who no longer has a thyroid? As Hashimoto’s is an autoimmune disease, not a thyroid disease, I’m not sure it would matter if the patient still had a thyroid. But I’m curious if she addresses it. If so, I definitely need to pick up this book.

    • Mickey says

      As far as I remember, I don’t think she does, and another quick skim of the book and index didn’t reveal anything. You are right about Hashimoto’s being an autoimmune disease, thus removing the affected organ is not able to stop the autoimmune attack. I think the steps she outlines in the book definitely apply to someone without a thyroid 🙂


  • Chris says

    Mickey, thanks for this review! I was just debating with myself yesterday about whether I should order yet another book on thyroid/autoimmunity. Sounds like this one will have some useful information.

  • Dawn says

    My 14 year old daughter was just recently diagnosed with Hashimoto’s diease and now I am trying to learn everything I can. Can you tell me if this book would be a good one for me to get?

  • Savannah says

    Hi! I have a question about this book. Does she give recommendations on specific supplements to take as well as dosage?

    • Mickey Trescott says

      She does cover supplements, but it is important to work with a practitioner to find out which doses are best for you, as there is no one-size-fits-all approach. Hope it helps!

  • Judith says

    I have hypothyroidism, but not auto immune. I do take quite a high dose of levothyroxine. Does this book also address non auto-immune thyroditis? I would like to buy the book but only if it addresses this issue.

    • Mickey Trescott says

      Hi Judith,
      While this book is focused on autoimmune thyroiditis, I think you will find it has a lot of good information about discovering root causes of thyroid dysfunction.

  • Hello,

    I am recently diagnosed with Graves Disease and have been having a hard time finding stories and information about people with Graves and AIP. I am a dancer, yoga therapist an mom to four kids. I am considering AIP but would like to hear/read more about Graves Disease.

    Thank you!

    • Mickey Trescott says

      Hi Weena! With over 100 autoimmune diseases it is hard for us to provide specific resources for every one. The good news is that the elimination diet and lifestyle changes we mention here are a great place to start for most people (with their doctor’s permission, of course). I do know of an AIP blogger with Graves, Dora over at provincialpaleo.com. Hope it helps!

  • dayo Soneye says

    I was diagnosed with myasthenia gravis in 2011 and have been on medication since then. What can I do to get off medication and live a free and long life

    • Mickey Trescott says

      Hi Dayo! We are not medical practitioners and don’t advise making any changes to your medication without talking to your doctor. Your best bet is to find a doctor who specializes in functional medicine to assess you and see if this is a possibility with your history and disease progression. Some people have found that they are able to go off their medication, while others still take their medication in addition to using diet and lifestyle to live healthfully. Some resources to check out: re-findhealth.com, functionalmedicine.org, and paleophysiciansnetwork.com. Good luck!

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