1012 - 9 Best Foods for Thyroid Health
Dr. Ruscio Radio, DC: Health, Nutrition and Functional Healthcare
Dr. Michael Ruscio, DC
4.6 • 804 Ratings
🗓️ 30 March 2026
⏱️ 22 minutes
🧾️ Download transcript
Summary
Need a thyroid deep dive? See Dr. Ruscio's Thyroid Self Help Course: https://drruscio.com/thyroid-course/
In this episode, Dr. Ruscio breaks down the 9 best foods to support optimal thyroid function and why getting the right nutrients, including selenium, iodine, iron, and zinc, can make all the difference. He also reveals the powerful connection between gut health and your thyroid, and how a healthier gut can enhance nutrient absorption, lower inflammation, and reduce autoimmunity. If you've been struggling with thyroid issues, these foods will help you restore optimal health.
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👇 Watch more videos like this 👇
➡️ The Science of Leaky Gut with Dr Michael Camilleri MD (Mayo Clinic):https://www.youtube.com/watch?v=q0KlrBy39wo
➡️ Red Light Therapy REVERSES Hashimoto's (New Breakthrough):
https://www.youtube.com/watch?v=DowcFFyG7Cs
➡️ The Best Way to Treat a Sluggish Thyroid - New Study:
https://www.youtube.com/watch?v=xLuw1q2kvVM
➡️ Escape the Hypothyroidism Trap with Dr. Antonio Bianco:
https://www.youtube.com/watch?v=n1jzvyEoLfI
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And if you have any questions or topics you would like covered in the future, let me know in the comments!
👇Read these next 👇
➡️ Can You Use Red Light Therapy for Thyroid Health?:
https://drruscio.com/red-light-therapy-for-thyroid/
➡️ 8 Reasons You Have Symptoms of Too Much Thyroid Medication:
https://drruscio.com/too-high-thyroid-medication-symptoms/
➡️ What Happens If You Don't Take Thyroid Medication?:
https://drruscio.com/what-happens-if-you-dont-take-thyroid-medication/
📌Timestamps
00:00 Intro
01:38 Fermented Foods
02:53 Brazil Nuts
04:27 Seafood
05:36 Iodized Salt
09:24 Seaweed
10:53 Bone Broth
12:25 Red Meat & Organ Meat
14:00 Eggs
14:31 Berries
15:56 Thyroid Resources
Featured Studies
📉 The Relationship between Gastrointestinal Health, Micronutrient Concentrations, and Autoimmunity: A Focus on the Thyroid: https://pubmed.ncbi.nlm.nih.gov/36079838/
📉 The Role of Nutrition on Thyroid Function: https://pubmed.ncbi.nlm.nih.gov/39125376/
📉 5'- and 5-deiodinase activities in adult rat cecum and large bowel contents inhibited by intestinal microflora:
https://pubmed.ncbi.nlm.nih.gov/8214060/
📉 Gut-microbiota-targeted diets modulate human immune status: https://pubmed.ncbi.nlm.nih.gov/34256014/
📉 Brazil nuts: an effective way to improve selenium status: https://pubmed.ncbi.nlm.nih.gov/18258628/
📉 Investigating the associations between dietary nutrient intake and risk of Hashimoto's thyroiditis: a cross-sectional study from NHANES and a case-control study: https://pubmed.ncbi.nlm.nih.gov/41541194/
📉 U-shaped relationship between iodine status and thyroid autoimmunity risk in adults: https://pubmed.ncbi.nlm.nih.gov/31252413/
📉 A Paleolithic-type diet results in iodine deficiency: a 2-year randomized trial in postmenopausal obese women:
https://pubmed.ncbi.nlm.nih.gov/28901333/
📉 Morton® all-purpose iodized sea salt nutritional facts: https://www.mortonsalt.com/article/morton-all-purpose-iodized-sea-salt-nutritional-facts/
📉 Commercially available kelp and seaweed products - valuable iodine source or risk of excess intake?:
https://pubmed.ncbi.nlm.nih.gov/33889064/
📉 Analysis of iodine content in seaweed by GC-ECD and estimation of iodine intake: https://pmc.ncbi.nlm.nih.gov/articles/PMC9359334/
📉 Bone Broth Benefits: How Its Nutrients Fortify Gut Barrier in Health and Disease:https://pubmed.ncbi.nlm.nih.gov/40180691/
📉 A polyphenol-rich dietary pattern improves intestinal permeability, evaluated as serum zonulin levels, in older subjects: The MaPLE randomised controlled trial: https://pubmed.ncbi.nlm.nih.gov/33388204/
📉 Effect of berry-based supplements and foods on cognitive function: a systematic review: https://pubmed.ncbi.nlm.nih.gov/35217779/
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Music featured in this video: "Modern Technology" by Andrew G, https://audiojungle.net/user/andrew_g
*Full transcript available on YouTube by clicking the "Show transcript" button on the bottom right of the video.
Transcript
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| 0:00.0 | Welcome to Dr. Rucho Radio, providing practical and science-based solutions to feeling your best. |
| 0:14.8 | To stay up to date on the latest topics, as well as all of our prior episodes, make sure to subscribe in your podcast player. |
| 0:22.2 | For weekly updates, visit Dr. Russo.com. |
| 0:25.6 | Let's discuss the best foods for thyroid health. |
| 0:28.8 | And thankfully, we have scientific documentation that various nutrients can do a few |
| 0:34.8 | great things for your thyroid. |
| 0:37.3 | Firstly, to improve the synthesis of thyroid hormone. |
| 0:41.5 | Secondly, to improve the conversion and metabolism of thyroid hormone. |
| 0:46.3 | And thirdly, the ability to lower thyroid inflammation or autoimmunity. |
| 0:53.2 | In fact, some of these nutrients even have a spillover |
| 0:55.8 | benefit for your brain. Now, there's also one key component here that we should clarify |
| 1:02.6 | that the thyroid doesn't operate in isolation. You are dependent upon your digestive tract, |
| 1:10.7 | of course, to absorb those nutrients effectively, |
| 1:13.6 | but it goes even further than that. |
| 1:15.9 | You see, the thyroid tissue and the gut tissue, when you are a fetus, they originate from |
| 1:22.4 | the same tissue embryonically, known as the endoderm. |
| 1:26.2 | So even in adulthood, we see this connection between the two. |
| 1:31.3 | So we should really be thinking about this as a nutrient, gut, thyroid, access, and select our foods |
| 1:39.2 | with that access in the mind. And this is something that we've published on in the journal |
| 1:45.0 | Nutrients discussing this very concept of the nutrient gut thyroid access. So with that |
| 1:51.5 | in mind, let's discuss what the best foods are. And if you're new here, welcome. I'm Michael |
| 1:57.8 | Rucho. I work as a doctor in private practice as an adjunct professor and also as a |
... |
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