How healing your microbiome fights disease, boosts brainpower, and redefines your healthspan
“Our gut microbiome had a big deal in protecting us and teaching the immune system who’s a good guy, who’s a bad guy.” – Dr. Steven Gundry
I welcome back controversial cardiologist-turned-nutrition expert Dr. Steven Gundry to discuss his latest book, Gut Check, where he shares groundbreaking insights on how our microbiome influences everything from mental clarity to longevity. As a former heart surgeon who now sees patients six days a week, Dr. Gundry revealed why both neurologists and cardiologists are now obsessed with gut health—because as Hippocrates said 2,500 years ago, “All disease begins in the gut.” We explored how leaky gut leads to systemic inflammation and accelerated aging, plus practical ways to repair your gut barrier and restore your internal “tropical rainforest” of beneficial bacteria. Dr. Gundry also challenged popular “Blue Zone” myths, arguing that longevity hotspots aren’t plant-based paradises but rather communities of active people consuming fermented foods, animal products, and engaging in consistent physical activity on hilly terrain.
What you’ll learn:
- Why leaky gut is the hidden driver behind autoimmune disease, Hashimoto’s, eczema, depression, and brain fog
- How the health of your gut barrier directly impacts your longevity and quality of life
- The crucial role of butyrate and why 80% of your colon cells depend on it for nourishment
- Why simply taking probiotics isn’t enough—you need fermented foods and prebiotics together to rebuild gut diversity
- Simple ways to increase beneficial short-chain fatty acids through foods like vinegars and low-sugar kombuchas
- The truth about Blue Zones and why many longevity hotspots actually feature sheep herders eating fermented dairy and cured meats
- How “exercise snacking” throughout the day on hilly terrain contributes to longevity
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Resources Mentioned in this episode
The Gut-Brain Paradox by Dr. Gundry
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749_Dr Steven Gundry
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[00:00:00] JJ: I’m J. J. Virgin, Ph. D. dropout, sorry mom, turned four time New York Times bestselling author. I’m a certified nutrition specialist, fitness hall of famer, and I speak at health conferences and trainings around the globe, but I’m driven most of all. By my insatiable curiosity and love of science to keep asking questions, digging for answers, and sharing the information that I uncover with as many people as I can.
[00:00:33] JJ: And that’s where you come in. That’s why I created the Well Beyond 40 podcast. to synthesize and simplify the science of health into actionable strategies to help you thrive. In each episode, we’ll talk about what’s working in the world of wellness, from personalized nutrition and healing your metabolism to powerful aging and prescription.
[00:00:55] JJ: Join me on the journey to better health, so you can love how you look and feel right now and have the energy to play full out at 100. Don’t miss an episode, subscribe now at SubscribeToJJ. com to start unlocking your healthiest, most energetic self. Alright, so a couple little known facts. This next guest who’s been on now a couple of times, I think this is number three, we actually lived in the same town together.
[00:01:28] JJ: So I’ve known him for years and years and years before all of this. And, uh, he’s kind of known out there for stirring things up and making people start to question things. And we do drop a bomb on this one. You’ll have to wait till the end to hear it. It’s, uh, one I’ve been questioning for quite a long time.
[00:01:47] JJ: So I was thrilled to hear him bring it up. Okay. With that, let me introduce our guest today. It is Dr. Stephen Gundry. I know, I know. He’s so controversial out there. And, uh, you know, I picked apart a lot of his stuff and he has just got some really interesting, fascinating things to talk about, especially as a cardiothoracic surgeon who decided to then go Really deep dive into nutrition.
[00:02:13] JJ: He’s one of the rare ones. He’s got a top rated health show, the Dr. Gundry Podcast. He’s the founder and director of the International Heart Lung Institute for Restorative Medicine and founder of GundryMD, a line of wellness products and supplements. He was in one of the blue zones. He was actually over in Loma Linda.
[00:02:30] JJ: This is where he had his surgical career. He was a professor, a chairman of cardiothoracic surgery over at Loma Linda University. And that’s when everything changed for him. You can hear that in some of our other podcasts. I will link to them in the show notes at jjvirgin. com forward slash Gundry G U N D R Y.
[00:02:48] JJ: He is the author of nine books, soon to be nine. Another one coming out. It’s a plant paradox, plant paradox, cookbook, plant paradox, quick and easy longevity paradox, plant paradox, family cookbook, energy paradox. Diet Evolution, Unlocking the Keto Code, and the one we’re going to be talking about now, which is Gut Check.
[00:03:07] JJ: Unleash the power of your microbiome to reverse disease and transform your mental, physical, and emotional health. We actually had this interview scheduled for a year. Like, we had problems. issues. We’re here because it’s been, it’s been a bit gun. Dr. Gundry also has more than 300 articles published in peer reviewed journals on diet and supplements, all sorts of stuff.
[00:03:30] JJ: And again, we’re going to be digging into the gut microbiome today, uh, talking leaky gut, talking leaky brain, talking about butyrate. Uh, and then talking about a big controversy out there and what the reality is. So stay with me. I will be right back with Dr. Steven Gundry.
[00:04:08] JJ: Dr. Steven Gundry, I think it’s, I think it’s third times a charm here on, on Well Beyond 40 for you. I hope so. Yes. Well, you always have something new and different and sometimes a little controversial to say, which makes it even more fun. I don’t know about that with Gut Check, though. I’m really excited about this book, Digging into the Microbiome.
[00:04:29] JJ: Why did a cardiologist decide to write this book?
[00:04:34] Dr. Steven Gundry: Well, you know, it’s funny. Why, uh Why do we think about the gut? First of all, um, believe it or not, to be a heart surgeon and a cardiologist, I had to become a general surgeon first. And back in those days, general surgeons actually, We’re the experts on the gut, so we did colonoscopies, we did, uh, gastroscopy, blah, blah, blah.
[00:05:03] Dr. Steven Gundry: And then I said, ah, jeez, I’m not interested in this, I’m much more interested in the heart, goodbye. But it’s funny, uh, I’ve become good friends with David Perlmutter and Dale Bredesen, and whenever we get together, we go, isn’t this weird, here’s a couple of neurologists and a cardiologist and heart surgeon, and all we talk about is the gut.
[00:05:24] Dr. Steven Gundry: And it’s like, well, that’s because Hippocrates, you know, 2, 500 years ago said, all disease begins in the gut. And I guess we’re just all slow learners, right?
[00:05:36] JJ: Well, but we’re learning now.
[00:05:38] Dr. Steven Gundry: Yes.
[00:05:38] JJ: It is funny. I still remember getting sent a client in L. A. that literally the doctors there were like, she just needs a cheerleader.
[00:05:48] JJ: I’m like, okay, well, I wouldn’t really think of me as a cheerleader here, but okay. And she’d been to doctor, after doctor, after doctor, and had been probiotic after probiotic after probiotic and they’re just making her bloated. I’m like, well, why don’t we stop that? Do an elimination diet and look at like What’s going on with your bacteria?
[00:06:08] JJ: I didn’t even know yet because it like this the information about SIBO and all the rest of the stuff it was like coming out early on so it just started to come out and it’s like oh so it’s very clear that leaky gut and disrupted gut microbiome can wreak all sorts of havoc but how exactly I don’t know.
[00:06:26] JJ: Like, I think maybe the best place to start, because I always love to hear how someone describes it, and you always have a way of, of, of synthesizing and simplifying things. How would you first describe leaky gut?
[00:06:39] Dr. Steven Gundry: So, um, first of all, it’s not pseudoscience. Um, if you had asked me 25 years ago when I started in this area, I might have said it’s pseudoscience, but I
[00:06:51] JJ: was told it didn’t exist when I was talking about it.
[00:06:54] Dr. Steven Gundry: Well, um No such
[00:06:55] JJ: thing.
[00:06:56] Dr. Steven Gundry: Yeah, no such thing. In fact, I Recently had a supposedly prominent cardiologist, uh, tell me that gastroenterologists say that there’s no such thing and that the microbiome is, uh, is not very important in the scheme of things. I mean, this was this year, I don’t know.
[00:07:16] JJ: Really? I
[00:07:18] Dr. Steven Gundry: don’t.
[00:07:18] Dr. Steven Gundry: Well, and you know, our good friend Mark Freeman has a daughter who’s a third year medical student, uh, at a prestigious university. And in her third year, she has yet to have a course on the microbiome. So, back to your question. Yeah. So, we unfortunately have a design flaw in, uh, the wall of our gut. Uh, the, the wall of our gut.
[00:07:47] Dr. Steven Gundry: is somewhere between one and two tennis courts in surface area. So when everybody’s watching the Indian Wells PNB, uh, BNP tennis tournament in a few weeks, I want you to look at that tennis court and then look down in your belly and realize that that surface area is in you. That service area is only one cell thick and those cells are held together with what are called tight junctions.
[00:08:19] Dr. Steven Gundry: Now, those of us, uh, at advanced age, uh, and you’re over 40, haha, know a game that we all played called Red Rover, Red Rover, where two lines of kids lined up and we all crossed arms and somebody came running across and tried to break through, blah, blah, blah. So these tight junctions are these cells kind of locked arms.
[00:08:44] Dr. Steven Gundry: And what we’ve learned, again, a lot of this has been done by Alessio Fasano, a pediatric gastroenterologist who’s now at Harvard. We know that we can have compounds that are very capable of breaking those tight junctions. Lectins happen to be a favorite of mine. You now establish gaps between the glue that held these things together.
[00:09:15] Dr. Steven Gundry: Now, why that’s interesting is that on the other side of this one line of cells, about 80 percent of all of our white blood cells are sitting there. Now, we used to see that as a general surgeon all the time when we were down in the belly. There were All these lymph nodes, everywhere. And even when we were inside the intestines, there’s all these pyres, patches of lymph nodes, of white blood cells.
[00:09:46] Dr. Steven Gundry: And we go, oh yeah, they’re there. Uh, that’s interesting. And, uh, if we’re working on colon cancer, we take some out to see if they’re colon cancer cells. But we’re going, oh yeah, and they’re signaling. What are all those guys doing there? Well, what all those guys were doing there was, if If somebody’s getting passed, then you want most of your immune system, most of your army to be there intercepting these bad guys.
[00:10:17] Dr. Steven Gundry: And this happens all the time. Again, it’s a design flaw. And if something happens, those guys, you know, clean up the debris, repair the hole, and go on with your life. And believe it or not, our gut microbiome had a big deal in protecting us and teaching the immune system who’s a good guy, who’s a bad guy.
[00:10:41] Dr. Steven Gundry: Now, as in all my books, and including Gut Check, now that impenetrable wall is broken open daily. And now instead of a once in a few lifetimes, everything’s coming across the wall of our gut. And now, instead of these army just kind of sitting there having a donut and a smoke because they don’t see much action, now, they’re wearing a Kevlar vest, they’ve got two AK 47s, and their finger is literally on the trigger.
[00:11:19] Dr. Steven Gundry: Because they’re Always being attacked, and on top of that, because they’re always being attacked, they send signals up to the rest of us, saying, Guess what? The border’s been breached, the castle wall’s coming down, and they’re coming for you. We’ll try to hold them here, but we probably can’t, so be ready to defend yourself elsewhere in the body.
[00:11:44] Dr. Steven Gundry: How’s that?
[00:11:46] JJ: Very good. That’s a memorable way to describe it. You know, there’s so many things that can cause this. You talked lectins, I’m also thinking alcohol, fructose, gluten, stress, stress and stress. But how would someone know? Like, what are some of the signs that you might have a compromised gut barrier?
[00:12:05] JJ: Is there a way to test for it? How do you know?
[00:12:09] Dr. Steven Gundry: Well, certainly you can test for it. Um, and there’s simple blood tests that can look for. Leaky gut, you can look for anti zonulin, uh, IgG, anti actin IgG, anti LPSs, blah, blah, blah. And we do that all the time with our patients. But, simplistically, if you’ve got an autoimmune disease, I can guarantee you, you have leaky gut.
[00:12:34] Dr. Steven Gundry: If you have Hashimoto’s, thyroiditis, you have leaky gut. If you have eczema If you have depression, you have leaky gut. If you have brain fog, you have leaky gut. And I make the argument that if you have leaky gut, you have leaky brain. And we can actually measure leaky brain. We can actually measure attack on the blood brain barrier, and we can measure attack on neurons.
[00:13:06] Dr. Steven Gundry: So, uh, What are
[00:13:07] JJ: those, what are those tests to measure that?
[00:13:10] Dr. Steven Gundry: Well, you, you get anti blood brain barrier, um, antibodies. Uh, they’re pretty cool. Um, yeah, so it, it can be done.
[00:13:18] JJ: Yeah. I mean, the reality is You probably have leaky gut if you’re not, if you’re not actively working to, to improve this likely living the standard American lifestyle, you probably have leaky gut.
[00:13:34] JJ: Um, that’s correct. You know, and all those symptoms are ubiquitous. And so probably have it. What, um, since this is a longevity podcast, what does that mean in terms of both quality of life and longevity? If this is going on?
[00:13:51] Dr. Steven Gundry: Great question. Um, One of the things that longevity researchers, we look at, there’s a really cool model of longevity based on a little translucent worm, uh, called C.
[00:14:06] Dr. Steven Gundry: elegans, and C. elegans is really cool because it only lives two or three weeks, and it’s really cool because it’s translucent, so we can see Can literally look right through it and it’s really cool because it has a gut and it has its own Microbiome and just like us it has only one cell wall of their gut Just like us.
[00:14:33] Dr. Steven Gundry: So what? Well, it turns out almost every Every compound, every activity, eating activity that you test on C. elegans turns out to be reproducible in higher animals, all the way up to rhesus monkeys. So that model has stood the test of time. In fact, you know, resveratrol, the miracle polyphenol in red wine, one of the first tests was on C.
[00:15:06] Dr. Steven Gundry: elegans and longevity. But, so what? The cool thing about C. elegans is you can watch the wall of its gut. And as long as the wall of the gut is intact, the little guy does just great. And it keeps living and going and blah blah blah. As that wall begins to break down, as you get racks in the wall, as you get leaky gut, you see all the aging that transpires in, uh, in us.
[00:15:43] Dr. Steven Gundry: The worm begins to slow down. The worm begins to not be as interested in food. And the more that wall breaks down, that’s the end. And so If that’s happening in that little guy that we can watch, anything that we can do to not let that happen in us is, seems like a good idea.
[00:16:09] JJ: There you go. All right. Are you like building a new house behind you or what’s going on over there?
[00:16:15] Dr. Steven Gundry: I’m at my office in Santa Barbara and I apologize because there is, uh, next door to me, uh, construction. All
[00:16:24] JJ: right. I was like, is he remodeling? What’s he doing?
[00:16:26] Dr. Steven Gundry: What’s
[00:16:26] JJ: he
[00:16:27] Dr. Steven Gundry: I tried my earphones and unfortunately they’re, they’re not Working today and I apologize. So we got you
[00:16:37] JJ: here. We’re thrilled. So, all right.
[00:16:40] JJ: So clearly this is a problem with longevity. I think the big next obvious question is, okay, so we assume that unless you’ve actually been working to improve this, this is likely an issue for you and leaky brain often means leaky or leaky gut often means leaky brain as well. How does one go about fixing this?
[00:16:59] Dr. Steven Gundry: Well, that’s kind of the whole purpose of the book. It all is not doom and gloom. Uh, I like to offer solutions. I still see patients six days a week, including Saturdays and Sundays. So, um. What do you do? Well, number one, the, our gut bacteria, our microbiome, uh, unfortunately ought to be this robust tropical rainforest of a hundred trillion different bacteria, not to mention fungi and viruses and worms.
[00:17:40] Dr. Steven Gundry: Most of us, instead of this dense tropical rainforest where all these species. are interrelated, are dependent on each other. We now, uh, have a desert wasteland. And it’s pretty scary in there. Now, the Sonnenbergs, the husband and wife team at Stanford, are pretty depressed about all this, and they think we’ll never have anything but a desert wasteland.
[00:18:08] Dr. Steven Gundry: I don’t think so. I think we can reestablish a tropical rainforest, but I think we’re naive. In thinking that, for instance, you just got back from California and we’re used to forest fires here, unfortunately. Um, if we burn down a forest, uh, and we went and planted little seedlings and pine trees all over the place, we’re not gonna have a forest for 20 years.
[00:18:37] Dr. Steven Gundry: And I think we’ve been naive to think, okay, we can wipe out our gut with some antibiotics or glyphosate or whatever. But all we have to do is swallow some probiotics, seedlings. And it’ll be fine in a couple weeks. It won’t be. Um, don’t, don’t we wish. Um, so you’ve got to, number one, you got to give these guys what they like.
[00:19:02] Dr. Steven Gundry: Number two, the idea that these bacteria, all we got to do is give them what they like, which is prebiotic fiber, and everything will be fine. Well, the Sonenbergs did a beautiful experiment to say, uh, nope, that’s not going to work. What they did is they took some volunteers and they gave them a ton of prebiotic fiber in the form of inulin, and inulin’s a great prebiotic fiber.
[00:19:32] Dr. Steven Gundry: It’s in the chicory family of vegetables, it’s in asparagus, it’s in artichokes, it’s in sunchokes. Great prebiotic fiber. So, they gave them these. Prebiotic fiber. Then they looked at their gut microbiome diversity, and a more diverse microbiome, the better the tropical rainforest. And they looked at markers of inflammation.
[00:19:54] Dr. Steven Gundry: And despite giving them all these prebiotics, their gut biodiversity didn’t change, and their inflammation markers didn’t change. And they’re going, what the heck? So they said, hmm, why don’t we give them some fermented foods, post biotics, in the form, in this group, of mostly yogurts and kefirs, and the prebiotic, the anions.
[00:20:21] Dr. Steven Gundry: Well, let’s see what happens. Well, that combo of fermented foods and prebiotics, lo and behold, their gut microbiome diversity increased, their tropical rainforests got more diverse, and their inflammation markers came down. So, when I talk about that in Gut Check, it’s, it’s really, yeah, you want To have a bunch of good guys, but what we now know is there’s kind of an assembly line of making the things that we really like want, like short chain fatty acid butyrate, but you gotta have a bunch of guys on the assembly line and you gotta give each guy what it needs to make the next part.
[00:21:09] Dr. Steven Gundry: And so it’s, it’s a lot more complex than we ever would have guessed. But the good news is we’re beginning to understand the complexity and what each of these guys need to do the job. And that’s the exciting thing. You can actually fill in the blanks.
[00:21:29] JJ: So, what would be some of your examples? You, you talked about Kefir and Uh, yogurts, any other favorite fermented foods.
[00:21:40] JJ: I will tell you, I went to Seoul, Korea two summers ago. Really was hoping that I would, like, fall in love with kimchi. Because my U. S. experience has been, you know, this is really, like, I had a girlfriend. I, I think you know. Suzanne Bennett. Dr. Suzanne Bennett brought it to a party we had and I was like, what did you do?
[00:22:00] JJ: Cleared out the room, you know, um, but no luck. I still do not like any of those things. Um, so what are some of the different fermented foods you recommend that you think that are good to help here?
[00:22:13] Dr. Steven Gundry: Well, you, you, so you mentioned kimchi and it’s clearly an acquired taste. So is
[00:22:19] JJ: and smell.
[00:22:20] Dr. Steven Gundry: Yeah. So is sauerkraut.
[00:22:21] Dr. Steven Gundry: Uh, I Came from a family where we had sauerkraut at least twice a week. And I must say, I, to this day, maybe because of that, uh, don’t particularly like sauerkraut. Um, anyhow. Easiest one, quite frankly, is vinegars. And vinegars have acetic acid. And acetic acid is really an important building block of short chain fatty acid production.
[00:22:52] Dr. Steven Gundry: And so vinegars are easy. You know, I’m, believe it or not, I’m the father of the fake. Soda, the fake coke that became a TikTok thing.
[00:23:03] JJ: Oh, that is funny. Yeah.
[00:23:04] Dr. Steven Gundry: My YouTube it was you, huh? In early two thousands. So you, you pour some balsamic vinegar in sand pellegrino or other sparkling water and or any other vinegar.
[00:23:16] Dr. Steven Gundry: And it’s, it’s really easy to do. Uh, and it’s just loaded with these post biotic short chain fatty acids. Water kefirs. Kambucha, that’s low sugar. What is
[00:23:29] JJ: water kefir? I, I don’t understand what that could possibly be.
[00:23:33] Dr. Steven Gundry: Well, it’s, it’s very much like making kombucha. Uh, you actually have to add some sugar for the yeast or bacteria to eat, but you basically make a fermented beverage that way.
[00:23:47] Dr. Steven Gundry: The problem with a lot of kombuchas, uh, first of all, let’s admit, Americans do not like bitter, sour foods. against our upbringing, I guess. If you look at lots of long lived societies, they love bitter sour foods. In fact, one of my earliest expressions was, more bitter, more better, because it’s loaded with polyphenols.
[00:24:15] Dr. Steven Gundry: So, many kombucha manufacturers add tons of sugar to their final product to make this stuff taste. Like something an American will, will use. There are low sugar kombuchas, and seek them out. That’s another easy way.
[00:24:35] JJ: Any, any brands that you like there? Cause yeah, it does. It’s like talk about making a good thing bad.
[00:24:40] JJ: This is why I’ve, I don’t, cause I do not like bitter. However, um, sour and bitter, take your sweet tooth away. So yeah, sweet tooth big thing here, but any, any brands of these kombuchas that you like or would recommend?
[00:24:56] Dr. Steven Gundry: No, but you know what, the funny thing is I’ll recommend one brand and they can’t find it.
[00:25:02] Dr. Steven Gundry: I can’t find it. Uh, number two. These brands, for whatever reason, maybe because they have to make money, or more often they’re bought by a bigger brand, the formula changes. And within, sometimes, the appearance of you and me on this podcast, people will go, Wait a minute, I went and got this, and holy cow, you
[00:25:23] JJ: know, there’s That is what happened.
[00:25:27] JJ: I had one brand that I loved and I actually met the owner. She’d had gut problems her whole life. She created this brand. I loved this brand and then they got bought and. You know what happened. Like, oldest story in the book. I’m like, oh my gosh, you just added all this sugar into these things that took it away from me.
[00:25:46] Dr. Steven Gundry: Yeah, no, that’s exactly right. And, uh, it, it happens more than once. A lot of these brands, um, recently to add creaminess and texture, they started putting pea protein in some of these. Uh, milks, and all of a sudden you take a pretty doggone good product and, you know, I’m getting calls. Oh, yeah, I thought you didn’t like pea protein.
[00:26:16] Dr. Steven Gundry: Yeah, you’re right. Well, it’s in the brand you recommended, and I’m like, what? You know, I go to the store and go, yeah, oh, yeah, there it is. No, I’m not going to recommend a brand.
[00:26:26] JJ: Makes sense. Read those sugar grams. Read the back of the label. Let’s get more into the, the microbiome. Would you recommend someone testing to see what things look like in there?
[00:26:38] JJ: Is that, does it have any worth, is it worthwhile, not worthwhile, or just move forward assuming things are not where they should be?
[00:26:44] Dr. Steven Gundry: So, yes and no. Uh, first of all, we all have to realize that whenever we do a stool test, it is a snapshot of that basically day. And it’s who’s in there that day, so it’s a, it’s a Polaroid picture.
[00:27:02] Dr. Steven Gundry: And that can be useful, but, um, we’re getting better and better with these stool tests. I do use one. I was pretty much against them. I do use one now. Not only do, do we get to know who’s in there, but we get to know the percentages of these guys. And one of the groups, and I’ll tell you who it is, it’s Vibrant Wellness, and theirs is called the GutZoomer.
[00:27:32] Dr. Steven Gundry: But, so they use, uh, biodiversity indexes, uh, called Simpson’s Index and Shannon’s Index, which are ecological index looking at biodiversity in tropical rainforests. And you can actually would get an index, but one of the things that’s been very impressive to me is that most people on these tests are very devoid of short chain fatty acid producing bacteria and short chain fatty acids in general, and I think that’s the take home message that if most of the people that I’m seeing Don’t have these bacteria and or don’t have the short chain fatty acids, which like in gut check without butyrate and these other short chain fatty acids We’re screwed.
[00:28:30] Dr. Steven Gundry: We’re, our gut wall’s not gonna be any good. Um, we can talk about why there’s so much, uh, colon cancer in young people, uh, anyhow. So, you don’t need it. Uh, I went years without ever using it with good results. I’ve found it useful in people who we think everybody’s doing everything right. Uh, and yet, Something’s amiss, and usually it’s that they are really lacking these short chain fatty acid producing bacteria, and or they don’t have short chain fatty acids.
[00:29:09] JJ: And what are some of your favorite ways to improve, uh, short chain fatty acid bacterial production? Well,
[00:29:16] Dr. Steven Gundry: uh, a shameless plug, my best selling product at GundryMD is called BioComplete 3. And it has nano encapsulated butyrate. Now, why nano encapsulated? Because you could swallow all the butyrate in the world, and it’s not going to get to where it’s supposed to be needed, which is down in your colon.
[00:29:44] Dr. Steven Gundry: One of the things that we should realize, you know, I’ll wear my general surgery hat for a minute. The, the lining of our colon, our large intestine, these colonocytes, 80 percent of their nourishment from butyrate. 80%. We’re not talking about blood flow. We’re not talking about delivering proteins and carbohydrates.
[00:30:15] Dr. Steven Gundry: 80 percent of their food is butyrate. And you go, holy cow. Number one, why is that? But number two, if it’s that important, what happens to them when they don’t get it? Well, there’s beautiful experiments that you deprive colonocytes of butyrate, and they get really mad, and they get very dysplastic, and they look really funny.
[00:30:44] Dr. Steven Gundry: And there’s a very strong correlation between the lack of butyrate and colon cancer. So, uh, I’ve had Colleen Cutliffe from Pendulum Life on my podcast many times because I’m a big fan of Pendulum Life. And she makes the example, which I like a lot. Let’s suppose I’ve got a million dollars in the trunk of my car on the L.
[00:31:09] Dr. Steven Gundry: A. freeway. And I get hit from behind and the trunk opens and the suitcase flies out and opens up and a million dollars gets spread along the 101 freeway. And people are grabbing handfuls of one dollar bills and it’s really not going to do them very much good. It really needed to go to the bank and get deposited.
[00:31:34] Dr. Steven Gundry: It needed to be delivered where it was supposed to go. And so, people who swallow, no offense, I mean, this is her word, butyrate supplements, don’t realize that butyrate is never going to get to the bank and the bank is down in the colon. So, you’ve got to either make it in the colon or deliver it there. So, that’s number one.
[00:31:56] Dr. Steven Gundry: So, that’s my shameless plug. And the reason it’s my number one seller is Because it actually works. To do that, you know, you’ve got to have butyrate producing bacteria. And we know who these guys are. And one of my favorites is Acromancea muciniphila. And it, it literally took Colleen and her team 10 years.
[00:32:21] Dr. Steven Gundry: to grow human acromantia muciniphila in the lab. And it’s a heartwarming story, but anyhow, it’s hard to do.
[00:32:31] JJ: Yeah, I got to hear her speak at A4M. I’m like, listen to that talk, you’re like, where do I get acromantia? How do I start it now? Um, so,
[00:32:41] Dr. Steven Gundry: Yeah, and so, you know, and you can swallow it. The problem with swallowing it is, and again, this is where some of our gut tests have come in useful.
[00:32:52] Dr. Steven Gundry: I will have people on acrimoncia, and yet when we look at their gut, Nothing. There’s nothing. And you go, well, what the heck? Well, you gotta feed acrimoncia what it, what it wants. And again, we’re learning that Each of these bacteria, again, it’s a, it’s an assembly line. And if you don’t have the right guys giving each guy what it needs to make the next thing, then you’re never gonna, you know, get to the end product.
[00:33:28] Dr. Steven Gundry: And that’s the bad news, but it’s also the good news because we’re beginning to realize
[00:33:33] JJ: So is the right guys then more of a diversity and different types of plants with polyphenols and different types of fibers and, um, and then is there, what’s the role for resistant starch, especially with butyrate?
[00:33:48] Dr. Steven Gundry: Yeah. So again, these guys long ago, um, evolved with us. Our great, great, great grandparents ate whole foods. And they ate them whole. And what is important to realize is, when they ate these whole foods whole, we, our digestive process, took away a lot of, you know, the simple sugars, the amino acids from proteins, and fatty acids for fats, but there was a lot of leftovers that our digestive process couldn’t break down.
[00:34:32] Dr. Steven Gundry: These long chain starches, these polysaccharides, and those kind of filter down to large intestine where the vast majority of our micro, microbiome lives. And they’re going, oh great, you know, here comes dinner. And there was plenty of this. And as I talk about in the book, as long as you feed these guys what they need, they actually send really cool text messages to your brain that say, hey, thank you very much.
[00:35:08] Dr. Steven Gundry: Got all we need to eat. You don’t need to go looking for anything else. Nice. Now, unfortunately, we don’t eat whole foods, and we certainly don’t eat them whole. Everything has been processed, ultra processed, and we have stripped away all of that stuff. And so, none of that stuff ever gets down to our lower gut.
[00:35:36] Dr. Steven Gundry: And we’ve changed the guys who can handle. There are, there are bad guys. They just think simple sugars and saturated fats are absolutely delicious. And they will swim upstream to get them before anybody else can. And, uh, I’ll give you a great example from Santa Barbara. So, uh, we have whale watching in Santa Barbara.
[00:36:04] Dr. Steven Gundry: And for a long time, the only whales in Santa Barbara were the California gray whale. And That’s all you could see in the last few years. We now have huge populations of humpback whales, of blue whales, and you go, wait a minute, humpback whales, they’re, they’re over in Hawaii. And blue whales, you know, they’re way down there.
[00:36:30] Dr. Steven Gundry: What are they doing here? Well, they follow the food supply that has changed because of ocean temperature change and climate change. And so, they’re just following the food. And here they are. So, if we think that, you know, whales are smart enough to follow food, we ought to assume that bacteria are smart enough to follow the food supply and take advantage of food supply.
[00:37:01] Dr. Steven Gundry: And the other thing we have to realize is that the guys down below, who used to be calling the shots, are going, What the heck? You know, we’re starving to death down here. Go find some more food. We hear you chewing up there. And we know it’s coming down, it always has through eons of time. There’s nothing there, go find some more.
[00:37:24] Dr. Steven Gundry: And so this hunger, this constant noise in our head that we’re always hungry is actually coming from these poor little guys saying, Give me something to eat, I’m starving to death,
[00:37:38] JJ: please. So, I want to tread into one, one more topic, which I thought was really interesting considering you, uh, worked out of Loma Linda for a while there, a blue zone, and, uh, you talk about in Gut Check, I think, that blue zones are a myth.
[00:37:57] JJ: So, I want to know what did, what, what did Dan Buettner get wrong here?
[00:38:03] Dr. Steven Gundry: So, I like Dan. Dan and I talk. Um, good for Dan. Uh, as I, as I write in, in Gut Check, like, Paul Simon and Garfunkel used to say, a man hears what he wants to hear and disregards the rest. Um, Dan was at a meeting in Montpellier, France, a number of years ago, where it was a longevity meeting in the early days, and a guy grabbed a blue pen, blue felt tip pen, and went over to a map of the world.
[00:38:40] Dr. Steven Gundry: And he basically said, here’s where the longest living people in the world are. And people always wonder, well, where’d the word blue zone came from? It turns out it was the blue magic marker. That’s fun fact number one. Really? Really. That’s where the term blue zone came from.
[00:39:00] JJ: Wow. That’s very funny. Okay.
[00:39:02] Dr. Steven Gundry: So if you have a bent towards vegetarian, vegan diets, You would then go to those blue zones and tell a story that these guys eat a lot of whole grains, a lot of vegetables, they don’t eat a lot of meat, uh, and blah, blah, blah.
[00:39:33] Dr. Steven Gundry: So, and it makes a great story. And, you know, good for it. So the problem with that is, um, it’s not true. And I make the case that, for instance, uh, much of the longevity attributed to these particular places is because of records. Um, these are very poor areas and it is well known and now recently documented that most of the time when older people die, uh, you don’t report their death because you’ll lose their pension.
[00:40:12] Dr. Steven Gundry: And there’s been Oh no. Oh yes. And the interesting thing about Okinawa, another blue zone, is that almost all records were destroyed, uh, at the end of World War II. U. S. Army was actually in charge of Okinawa for many, many years. And so, people had to go in and tell people how long, how old they were. And so the Okinawan records are just based on,
[00:40:44] JJ: oh, well, you know,
[00:40:46] Dr. Steven Gundry: I’m that old.
[00:40:47] JJ: It’s kind of like a diet report.
[00:40:49] Dr. Steven Gundry: Yeah, it’s kind of like a diet report.
[00:40:51] JJ: Yeah, it’s an old diet recall. Totally forgot I ate all that stuff. Yeah, okay.
[00:40:57] Dr. Steven Gundry: Yeah, so, that’s true. I, it’s, I do. Uh, food diaries on patients. Yeah,
[00:41:04] JJ: they’re selective, those food diaries.
[00:41:07] Dr. Steven Gundry: Well, but even if they’re true, they go, well, you know, what about that?
[00:41:11] Dr. Steven Gundry: And they go, oh, well, that doesn’t count because I was standing
[00:41:14] JJ: up.
[00:41:14] Dr. Steven Gundry: Yeah. That
[00:41:16] JJ: doesn’t count. I was at a party, it didn’t matter. Exactly. I only did that on Tuesday.
[00:41:23] Dr. Steven Gundry: So, yeah. Yeah. So, back to, back to So, for instance, let’s take Sardinia, which is a beautiful example.
[00:41:31] JJ: Doesn’t Sardinia eat cured meats?
[00:41:34] Dr. Steven Gundry: They sure do.
[00:41:35] JJ: I was like, I’ve been to Sardinia, and it was not vegetarian.
[00:41:40] Dr. Steven Gundry: Not at all. They eat cured meats. In fact, the really cool thing about Sardinia is, so, the, the longevity. So, basically, you live in two places in Sardinia. Either down by the water, and, or up in the mountains. And the folks up in the mountains have the longevity.
[00:41:57] Dr. Steven Gundry: The folks down by the water don’t. The folks up in the mountains are sheep and goat herders, and they eat a con of sheep yogurt and goat yogurt. They eat a ton of cheeses, and you’re right, they eat a con of sausages. Because that’s basically what they live off. The really cool thing, and this is controversial, and it gets me into trouble.
[00:42:19] Dr. Steven Gundry: Oh boy, here we go. But, they’re smokers. And, like, 95 percent of the men in Sardinia are smokers.
[00:42:30] JJ: But they’re not smoking filtered cigarettes from the United States, correct?
[00:42:34] Dr. Steven Gundry: I totally agree. Look, nic People listen to me, and I say, Look, nicotine is a really interesting compound, and we should be looking at why most of, the vast majority of these long lived people Are nicotine users, how, maybe that’s a nicer way to say it.
[00:43:01] Dr. Steven Gundry: Um. At Cioroli, south of Naples, more people 100 years of age or older in any town in the world, they’re smokers. At Cioroli, they’re, they’re smokers. So, uh, Nagoyan Peninsula, they’re smokers. And on the Nagoyan Peninsula, they’re sheep and goat herders. Now, yes, they eat beans and corn, but so does the rest of Costa Rica.
[00:43:29] Dr. Steven Gundry: What makes them different? Is that they’re sheep and goat herders, and they’re eating fermented foods.
[00:43:37] JJ: And the
[00:43:37] Dr. Steven Gundry: rest
[00:43:38] JJ: don’t? Are they? Are all
[00:43:39] Dr. Steven Gundry: of the ones? Well, still, the rest don’t. It’s, it’s the sheep and goat herders that are actually the longevity.
[00:43:45] JJ: Well, so are all these sheep and goat herders living on hills?
[00:43:50] Dr. Steven Gundry: Yes,
[00:43:51] JJ: you know, you look at all of this and I think everyone wants to pull out a thing and go it’s the this and it’s like, well, what if they live on hills, you know, so they’re, they’re herding sheep and goats. So they’re very active. Nicotine is a very interesting, I mean, we have nicotinic receptors. We have, you know, it’s a very interesting compound.
[00:44:11] JJ: It’s to me, just like looking at Uh, factory animals. There’s a big difference between a, you know, sheep and lamb and, uh, you know, rather lamb and goats out on the, you know, out on the pasture versus some cow in captivity fed all this stuff. You cannot put them together and make the same, you know, same hypothesis, different, right?
[00:44:35] JJ: I believe not
[00:44:36] Dr. Steven Gundry: Loma Linda, where I was for many years, means beautiful hill. Loma Linda is an elite community. So
[00:44:42] JJ: it wasn’t, and I’d heard something, I’m trying to remember where, that when this book was being written it was, there was an executive decision to make it a vegan diet because it would be more Interesting and palatable and believable for people.
[00:44:58] JJ: I just I’ve always liked this going, Wait, I’ve seen a lot of these places before. They aren’t vegan and they aren’t even vegetarian. So, what the heck? Did I just Yeah, I mean, your phrase is the
[00:45:10] Dr. Steven Gundry: highest Uh, average lifespan of any country in the world is Andorra, this little country between Spain and France, up in the Pyrenees Mountains.
[00:45:21] Dr. Steven Gundry: And these guys are goat and sheep herders, and they eat sausages, you know, twice a day. And you go, wait a minute, this, this, they all live into their 90s, you know, and it’s like, wait a minute, this is the number one place? And it’s like,
[00:45:40] JJ: I just wonder too, hearing all of this. Uh, what, what amount of exercise being on hills, having to do hard work, how much that must be contributing to this?
[00:45:55] JJ: Because I think that when I look at longevity and especially quality of life with longevity, that exercise It seems to be the biggest lever that we could pull on it. What are your thoughts?
[00:46:06] Dr. Steven Gundry: Yeah, absolutely. In fact, I’m, I’m getting, I get a kick, um, three books ago I wrote the Energy Paradox where I introduced the concept of exercise snacking.
[00:46:18] Dr. Steven Gundry: That short burst of activity actually, uh, do extremely good. Just saw one of our friends extolling the virtues of exercise snacking recently, and I thought yeah, I brought that up four years ago. So you’re right, it’s, it’s these, you know, weeding a garden or taking your dog up a hilly slope and down a slope.
[00:46:45] Dr. Steven Gundry: And there’s a really cool study out of Austria that I’ve mentioned in the past, where they looked at people who got the opportunity to either ride a Ride a cable car up to the top of a mountain and walk down, or walk up to the top of the mountain and ride down. And the study, of course, figured, well, you know, people who ride up and walk down, they’re not going to get the benefit that the people who, you know, walked up and rode down well.
[00:47:18] Dr. Steven Gundry: Turns out Was exactly the same benefit because what they didn’t take into account is when you’re walking down you’re working again, you’re braking against gravity and That’s the that’s the exciting news. So, you know hills work really good as an exercise program I
[00:47:39] JJ: know it’s a little hard in Florida.
[00:47:41] Dr. Steven Gundry: Uh, yeah You, you need, Florida needs some Hills.
[00:47:46] JJ: We need some Hills here. Every time I remember the last time I moved here, I’d just gotten a mountain bike. I’m like, what was I doing? But, uh, anytime I leave this state, I’m out walking Hills because I know the importance of it. So I want to make sure that we have, I’m going to list in the show notes, all of our podcasts and all of your, how many books do you have out now?
[00:48:05] JJ: I
[00:48:05] Dr. Steven Gundry: think this is, uh, I’m just, uh, my ninth book, uh, The Gut Brain Paradox will release on April 15th.
[00:48:13] JJ: Oh! Didn’t know about that one. Very exciting. Gut Brain Paradox. All right, staying with the theme there. So we will, we will list all of these. I’m going to put them at jjvirgin. com forward slash Gundry. Tell everybody, where do you, where do you like to hang out the most in terms of social stuff?
[00:48:30] Dr. Steven Gundry: Uh, well, I’ve got two YouTube channels, Instagram, I’m there almost every day, um, yeah, those are the easy, the Dr. Gundry podcast.
[00:48:40] JJ: Cool. All right, well, we’ll make sure we link to all of those and thank you for continuing to get out there, stir things up, make a ruckus.
[00:48:50] Dr. Steven Gundry: Provocateur.
[00:48:52] JJ: Uh huh. I appreciate you.
[00:48:59] JJ: Be sure to join me next time for more tools, tips, and techniques you can incorporate into everyday life to ensure you look and feel great and are built to last. Check me out on Instagram, Facebook, and my website, JJVirgin. com, and make sure to follow my podcast at SubscribeToJJ. com so you don’t miss a single episode.
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[00:49:48] JJ: Hey, JJ here. And just a reminder that the well beyond 40 podcast offers health, wellness, fitness, and nutritional information that’s designed for educational and entertainment purposes only. You should not rely on this information as a substitute for, nor does it replace professional medical advice, diagnosis, or treatment.
[00:50:05] JJ: If you have any concerns or questions about your health, you should always consult with a physician or other health care professional. Make sure that you do not disregard, avoid, or delay obtaining medical or health related advice from your health care professional because of something you may have heard on the show or read in our show notes.
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