Guest Posts / Informational Posts

Let’s Talk About Gluten, Shall We?

Let’s Talk About Gluten, Shall We?
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Gluten gluten gluten. 

If you have hypothyroidism and especially if you have Hashimoto’s, you’ve likely read or been told that you must avoid gluten. But why?

An important note: as someone who personally has a history of eating disorders / disordered eating myself, I am aware that the information in this article could be triggering if you’ve previously / are currently restricting foods. Do know that I will never suggest that any of us HAVE to cut out ANY food types, so I present this info for each of us to make that decision ourselves if we still have ongoing thyroid symptoms or struggles to manage the condition.

Some people may begin removing one or two foods from their diet and enter down a slippery slope in to disordered eating behaviours, so if this is you, and you start to feel anxious about food or much of your time and energy is preoccupied with this, please seek out support from a trained professional and be cautious about altering your diet. Disordered eating needs to be taken more seriously and I don’t wish to contribute to more people struggling with this.

Written by Amie Hornaman, Functional Medicine Practitioner with a Masters in Clinical Nutrition.

You must avoid gluten, you must avoid gluten. I know you are so sick of hearing it by now, especially if you have autoimmune disease Hashimoto’s, but here’s the thing; as
humans we need to know the why behind our behaviours. When someone tells us what to do, our first instinctual question is… why?

In order to make a true behavioural health change we must understand, at least on some level, why we are making a change, why we are doing something that is so damn hard to do.

So, Let’s discuss!

Gluten will interfere with your thyroid functioning properly and you will gain more weight, be more tired, and lose more hair. Period.

I never said I was going to tell you what you want to hear, I’m going to tell you what you need to hear!

Now you want some details. OK let’s start with inflammation. Gluten is not tolerated by approximately 80% of all humans. I’m not talking about being Coeliac, I mean not tolerated at all. (Non-celiac gluten sensitivity to be exact)

Some call it gluten intolerance. Our bodies just weren’t cut out to process gluten so we experience inflammation, and oftentimes its not felt or experienced on a daily basis so we ignore it. However, ignorance is not bliss and this inflammation will do a few different things.

First, since conversion of T4 to T3 takes place in the liver and in the gut, eating gluten containing foods will inflame the gut lining, cause leaky gut and reduce the conversion. That equals a bad day and is the last thing you want.

We want and need that T3. T3 runs the show, gives us our metabolism and gets us out of bed in the morning. Our bodies crave it, our cells crave it, and without it, well you all know how it feels without it, you feel like garbage. Hold onto that thought for a moment…

Second, for those with Hashimoto’s or Graves’ Disease, did you know that the molecular structure of gliadin, the protein portion of gluten, closely resembles that of the thyroid gland? What does this mean for you?

When you eat gluten containing foods the gliadin enters the bloodstream via your broken down, inflamed gut lining that has been wearing down from years of eating gluten, and is then targeted for destruction by your immune system. The antibodies to gliadin also start attacking your thyroid gland. So, if you have autoimmune thyroid disease your immune system attacks your thyroid.

You have to be 100% gluten-free to prevent immune destruction of your thyroid. Unfortunately “mostly gluten-free” is not acceptable. That’s like being kind of pregnant.

You need to make a decision, what do you want more, to feel good and work a little harder at eating right or to feel like crap but get to eat what you want when you want?

The studies are in [1,2,3] and science is backing me on this…if you have ANY thyroid issue you must avoid gluten. I gave you the why, so now you have no excuse.

Amie Hornaman

Amie HornamanFor over 19 years, Amie has helped people reclaim their health with Nutrition and Functional Medicine. Amie is a certified nutritionist with a Masters degree in Clinical Nutrition. She is also Erie’s only functional medicine practitioner. Because every client is unique, so is Amie’s approach to their health.

A wellness program is designed for each client
based upon their diet, lifestyle, and health history.

Amie is honest and passionate about helping people reach their


  1. Endokrynol Pol. 2012;63(3):240-9.
  2. Collin P, Salmi J, Hällström O, Reunala T, Pasternack A. Autoimmune thyroid disorders and celiac disease. Eur J Endocrinol 1994;130:137–40. ISSN 0804–4643.
  3. The presence of the antigliadin antibodies in autoimmune thyroid diseases.Akçay MN, et al. Hepatogastroenterology. 2003 Dec;50 Suppl 2:cclxxix-cclxxx.

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About Author

Rachel Hill is the highly ranked and multi-award winning thyroid patient advocate, writer, speaker and author behind The Invisible Hypothyroidism. Her thyroid advocacy work includes writing articles, authoring books, producing her Thyroid Family email newsletters and speaking on podcasts and at events about the many aspects thyroid disease affects and how to overcome these. She is well-recognised as a crucial and influential contributor to the thyroid community and has a large social media presence. Her bestselling books include "Be Your Own Thyroid Advocate" and "You, Me and Hypothyroidism".

1 Comment

  • Gina Moore
    December 28, 2019 at 4:14 am

    Thank you for saying what I’ve been saying for years! No one believes me though. Sigh. People would rather eat whatever they want than be healthy. Cutting out gluten was the best thing I ever did!! It’s been 11 years. I do not miss it!


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