What Happens if You Eat Kale Everyday For 30 Days - Dr. G's Quick Health Tip | EP 378.B

The Dr. Gundry Podcast

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Nutrition, Medicine, Health & Fitness, Talk Radio

4.6 • 1.7K Ratings

🗓️ 20 November 2025

⏱️ 11 minutes

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Summary

Kale is one of the most controversial foods out there—some people love it, while others aren't so sure. Many experts are concerned because kale tends to accumulate thallium (a heavy metal) more than most plants, and it's also high in oxalates.

So what does this mean for your health? In this episode, Dr. Gundry dives deep into the potential risks and benefits of kale, and how to address these concerns.

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Transcript

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0:00.0	Welcome to the Dr. Gundry podcast, where Dr. Stephen Gundry shares his groundbreaking research
0:05.9	from over 25 years of treating patients with diet and lifestyle changes alone. Dr. Gundry and other
0:12.4	wellness experts offer inspiring stories, the latest scientific advancements, and practical tips to
0:18.5	empower you to take control of your health and live a long, happy life.
0:24.1	Okay, this is another one of my fun-filled. What would happen if I eat this for 30 days in a row?
0:32.8	And today, I'm going to take up kale. Now, kale is one of those controversial foods. Some people love it,
0:41.9	some people hate it. My good friend Dave Asprey hates kale. Now, it accumulates thallium more
0:49.4	than just about any plant. I've seen it accumulate cadmium as well, another heavy metal. So that's why he hates
0:57.5	kale. And for you oxalate haters out there, kale actually has a lot of oxalates. So let's talk about
1:06.8	oxalates first. Oxalates are part of the plant defense system against being eaten.
1:13.6	And oxalates in people who believe they are sensitive to oxalates can cause pain, can cause
1:22.6	kidney stones, can cause kidney damage. And there's even books out there saying that most of the pain
1:29.8	that you have in your life are from oxalates. Well, not so fast. Believe it or not, we used to have
1:37.4	a beautiful defense system against plant defense compounds like oxalates and light lectins.
1:48.5	We used to have lectin eating bacteria. For instance, there are bacteria that love to eat
1:56.4	gluten. And in fact, there are bacteria that love to eat oxalates. When you look at people who are
2:06.2	sensitive to oxalates or who actually have calcium oxalate kidney stones, those individuals
2:14.4	lack those oxalate eating bacteria.
2:19.4	So it's not the oxalates that are the actual problem.
2:25.0	The problem, like I write about in all my books, is we lack the defense system against
2:32.0	these plant compounds that we used to have, that we could tolerate these
2:37.0	plant compounds. And they're part of the seven deadly disruptors that I've written about in the past.
	...

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