May 25


3 Informative Reasons You Should Rethink Your Selenium Supplement

By Sunny Brigham, MS, CNS, LDN

May 25, 2021

Should you be taking a selenium supplement? Are you taking a selenium supplement?

This week, I’m exploring the ups and downs of taking selenium.

You can Google selenium and Hashimoto’s and you’ll find a gazillion blogs that tout the benefits of taking selenium with Hashimoto’s. And for good reason. There’s a ton of research that shows selenium is helpful…

  • With supporting the liver’s detoxification process
  • Reducing TPO antibodies
  • Balance blood sugar to help reduce insulin resistance

All of these are really important!

All hormones in the body are filtered through the liver. If you don’t take care of your liver, it’s going to rebel a bit against you. And one sure sign of that is impaired hormone function. This could be period struggles, fertility issues, or insulin resistance.

Selenium is an important piece to showing your liver some love. But, there are a TON of other moving pieces when it comes to the liver.

There is a considerable amount of research that shows selenium is great for reducing TPO antibodies. I don’t disagree with this at all because it IS helpful at reducing these antibodies.

And, selenium is great for insulin resistance.

But…there are downsides to selenium. 

The two biggest ones…

  • Insulin resistance
  • All-cause mortality

Weird that it helps to reduce insulin resistance but it also increases it. But, this would fall under too much of a good thing!

So, what do you do?

Get your selenium levels tested. This will help you know whether you will benefit from selenium or if you should avoid selenium.

Watch the video and then keep reading!

Want to learn how to improve your thyroid's performance?

If you’re ready to take a deep dive into your thyroid and learn how to balance it with food and targeted nutrients, this workshop is for you!

It’s a 90-minute interactive workshop to teach and guide you through the intricacies of the thyroid, including:

  • It’s functions
  • What can toss it out of balance
  • What nutrients you need to balance each phase of the thyroid hormone process
  • Where to get those nutrients through food and supplements

This is a one-time LIVE workshop! A recording will be available.

Click HERE to learn more!


Gärtner, R., Gasnier, B. C., Dietrich, J. W., Krebs, B., & Angstwurm, M. W. (2002). Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations. The Journal of clinical endocrinology and metabolism, 87(4), 1687–1691.

Rayman M. P. (2020). Selenium intake, status, and health: a complex relationship. Hormones (Athens, Greece), 19(1), 9–14.

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