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The Funk'tional Nutrition Podcast

Deep Nutrition for Thyroid Health: Foods, Supplements & What to Avoid | Ep 378

The Funk'tional Nutrition Podcast

Erin Holt

Nutrition, Alternative Health, Health & Fitness, Mental Health

4.8 • 788 Ratings

🗓️ 23 September 2025

⏱️ 37 minutes

🧾️ Download transcript

Summary

Your thyroid influences nearly EVERY system in your body, from metabolism and digestion to mood, fertility, and energy, and in this episode, Erin is sharing how to support your thyroid health with deep nutrition.

You’ll learn why blood sugar regulation is the foundation of hormone health, and how thyroid-supportive nutrients like selenium, magnesium, and zinc can help optimize function and reduce risk for common imbalances.

Erin also explores the nuances of “anti-nutrients” like iodine and goitrogens, especially for those managing Hashimoto’s. She outlines practical food choices (think colorful veggies!), supplementation tips, and key labs to keep an eye on, so you can feel more confident in supporting your thyroid health starting today.

In this episode:

  • Why unstable blood sugar makes thyroid medication and supplements less effective
  • Must-have foods and nutrients to rotate for thyroid support, including selenium, magnesium, and zinc
  • The surprising truth about cruciferous veggies like broccoli and cauliflower - and how you can enjoy them without sabotaging iodine uptake
  • When iodine helps and when it can trigger Hashimoto’s flare-ups
  • The safe supplements nearly everyone can use vs. those that require lab testing first


Resources mentioned:

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FOR OUR FULL LIST OF LINKS + RESOURCES, HEAD TO: 

https://www.thefunktionalnutritionist.com/podcast/378-thyroid-health 

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Transcript

Click on a timestamp to play from that location

0:00.0

blood sugar fluctuations trigger thyroid issues. Boom. If you're taking thyroid medication,

0:07.1

they're going to be less effective if your blood sugar is unstable. And this quote is from one of my

0:12.8

favorite thyroid doctors. As long as dysglycemia goes unchecked, attempts at supporting

0:18.7

hypothyroidism or Hashimoto's are futile. So first things first,

0:24.0

it all comes back to blood sugar. Welcome to the functional nutrition podcast, spell it with a

0:29.5

K, because we do things a little differently around here. I'm your host, Erin Holt, and I've got

0:33.6

15 years of clinical experience as a functional nutritionist and mindset coach,

0:37.9

creating a new model that I call intuitive functional medicine,

0:41.2

where we combine root cause medicine with the innate intelligence of your body.

0:45.8

This is where science meets self-trust.

0:48.4

Your body already knows how to heal, and this show is going to show you how.

0:52.9

If you're looking for new ways of thinking about your

0:54.9

health, be sure to follow and share with a friend because you never know whose life you might

0:59.0

change. Welcome back, my friends. Today we're going to talk about deep nutrition for thyroid

1:05.8

health, just like I promised you last week. We're getting into it. Because thyroid is kind of a big deal.

1:13.0

What we all know to be true is that the thyroid regulates metabolism.

1:17.4

I think we've heard that a bajillion times if we've heard it once.

1:21.2

But what not everyone understands is that thyroid health impacts just about everything in your body from tip to tail.

1:29.7

It impacts just about every organ.

1:31.7

It controls heart rate, your body temperature, how we use energy, digestion.

1:37.8

Thyroid imbalances can lead to a ton of symptoms, a really wide range.

1:43.5

Mood imbalances, weight imbalances, heart function,

...

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