The Gut Insiders

Dr. Will Bulsiewicz

Better health begins in your gut. But medicine isn't "one size fits all," and your gut microbiome is as distinct as your fingerprint.

Board-certified gastroenterologist and New York Times bestselling author Dr. Will Bulsiewicz is on a mission to help you feel better through cutting-edge science and two decades of clinical expertise that will make you think differently about the food you eat — and the trillions of hungry organisms living in your colon.

Join Dr. B and co-host Chuck Carroll for gut-first discussions about diet, exercise, sleep, stress, trauma, and your health questions.

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20 episodes
Updated Monday

Episodes20

Newest first

Monday · 11 min
5 Things I Tell Every Patient Taking a GLP-1
Up to 84% of people on GLP-1 medications — Ozempic, Wegovy, Mounjaro, Zepbound — get gut symptoms. And almost no one is told what to do about them. Nausea, bloating, and constipation aren’t the drug going wrong. That’s the drug working. I’ll show you why, and give you the 5 things I tell every patient to do about it. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
July 27 · 42 min
11 Should Men & Women Eat Different Veggies? What the Latest Science Says 🥦
Should men eat more beans and women eat more broccoli for the best health outcomes? A new study hints at the metabolic differences between the sexes when it comes to which fiber-rich foods improve gut health. But as Chuck and Dr. B break down in this episode, the new research comes with a few asterisks.Read the study: https://www.sciencedirect.com/science/article/pii/S0939475326001717Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
July 20 · 12 min
6 Delicious Foods That Calm Inflammation
Today I’m sharing 6 foods I prioritize on my plate that actually calm inflammation. This is not hype. It’s hard science. Each one has a clear mechanism and a human study. And number 5 changed how I think about the gut.Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
July 13 · 53 min
10 The Surprising Connection Between Gut and Mental Health 🧠
We often think about mental health in terms of neurons and brain chemicals. But that's only part of the picture. After all, the brain is connected to everything, and there's actually a chemical superhighway between your gut and brain that has enormous impact on mood and even clinical disorders like depression and anxiety. This week on The Gut Insiders, Chuck and Dr. B discuss why the microbes in your gut have such an outsized influence over our brains, and 7 tips you can deploy today that can improve your mental well-being. Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll Edited and produced by Matt Silverman Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
July 8 · 12 min
7 Things I Do to Fix Low Iron
If you have low energy, and feel like you could go to sleep at 3pm, it may not be stress. Low iron is may more common that most people realize, and it's often misunderstood. In this video, I want to share how important dietary iron is, how to eat more of it, and the one step you can't skip.Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
June 29 · 12 min
Perimenopause: 5 Ways to Balance Your Hormones Through Your Gut
For years I cared for women who told me everything changed in their mid-40s. “My gut worked. My sleep worked. And in the last 18 months, all of it came apart. I don’t recognize myself.” They’d been told it was just their hormones. But there's more to the story: Inflammation. The two are deeply intertwined, but you don't have to settle for imbalance. These 5 tips will help. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
June 15 · 1 hr 3 min
09 Six Proven Strategies to Keep Your Gut Healthy When Taking a GLP-1
GLP-1 weight loss medication is life-changing for millions. Less obesity means less stroke, cancer, and heart attacks. But the magic that makes you crave less and feel full sooner is also the reason GLP-1s can wreak havoc on your gut health. And when these prescriptions aren't paired with sustained diet and lifestyle changes, many people miss out on massive health gains. This week on The Gut Insiders, Chuck and Dr. B break down 6 crucial habits for GLP-1 success. Learn more about the evidence-based gut health formulas in 38TERA's RCE: https://38tera.com/products/rce Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll and Matt Silverman Edited by Matt Silverman
June 8 · 22 min
5 Foods That Drive Inflammation: What the Evidence Actually Shows
Five foods. The science behind each one. And what to actually do about it. Chronic inflammation causes those aches and pains, brain fog, and feeling "off." But what's worse: It's linked to heart disease, type-2 diabetes, and autoimmune conditions. The good news: Reducing your consumption of these five foods (and adding more fiber) is huge in lowering your risk. The Anti-Inflammatory Masterclass. 7 weeks. We identify your inflammation phenotype, find your root cause, build your Anti-Inflammatory Life Plan, and more. If your labs are “normal” but you still feel terrible — this is for you. Learn more here: https://theguthealthmd.com/the-anti-inflammatory-masterclass/ Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5
June 1 · 14 min
Magnesium for Constipation: What the Science Actually Says
If you’re constipated and someone told you to take magnesium, they were half right. Because the type of magnesium you take is the difference between actually going to the bathroom tomorrow morning — and wasting thirty dollars on a bottle that does nothing. Today we're going to settle this. The Anti-Inflammatory Masterclass. 7 weeks. We identify your inflammation phenotype, find your root cause, build your Anti-Inflammatory Life Plan, and more. If your labs are “normal” but you still feel terrible — this is for you. Learn more here: https://theguthealthmd.com/the-anti-inflammatory-masterclass/ Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
May 26 · 20 min
Chronic Inflammation: 5 Symptoms Making You Feel Old
Acute inflammation is what happens when you sprain your ankle. Chronic, low-grade inflammation is a different beast. It’s the kind that runs quietly in the background for years, degrading your overall quality of life. These 5 foods are likely the cause, and we have the peer-reviewed science to back it up. The good news? Your body is incredibly resilient, and small changes can make a world of difference. Sign up for my FREE anti-inflammatory workshop here: https://theguthealthmd.com/gut-phenotype-workshop/
May 18 · 52 min
08 Three Ways to Reduce the Microplastics in Your Body by 60% in One Week 💧
Our food and water supply is besieged by plastic, and depending on how these products are packaged, processed, and heated, the effect of microplastics on our health can vary widely. We know they're not good for us, but how worried should we be? Chuck and Dr. B break down what we know, and start building a case for reducing microplastics in our gut, blood, and brains. The good news: Brand new research from Australia shows that we can reduce the microplastics in our body by as much as 60% if we make these relatively simple lifestyle changes. Read more about the Perth study on microplastics discussed in this episode: https://www.nature.com/articles/s41591-026-04324-7 Sign up for my FREE anti-inflammatory workshop here: https://theguthealthmd.com/gut-phenotype-workshop/ Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll and Matt Silverman Edited by Matt Silverman Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
May 13 · 17 min
8 Things I Do Every Day to Reduce Inflammation
What does an anti-inflammatory diet actually look like in real life? In this video, I'm walking you through my full anti-inflammatory day of eating — every meal, every habit, and exactly why each one works to reduce inflammation and support your gut microbiome. This isn't a cleanse, a detox, or a list of foods to give up. It's the sustainable eating pattern I use every single day — and the one behind my new book, Plant-Powered Plus. What you'll learn: -The best anti-inflammatory foods to eat at every meal -How to hit 30g of fiber a day without thinking about it -Why your leftovers are actually healthier the next day (resistant starch explained) -The four foods that reduce inflammation: fiber, polyphenols, healthy fats, and fermented foods -The post-meal habit that lowers blood sugar better than most supplements -How your gut microbiome, circadian rhythm, and sleep all connect to chronic inflammation -What to eat to reduce inflammation — breakfast, lunch, dinner, and snacks If you've been searching for an anti-inflammatory meal plan, anti-inflammatory recipes, or just want to know what foods cause inflammation and how to avoid them — this video is your starting point. Sign up for my FREE anti-inflammatory workshop here: https://theguthealthmd.com/gut-phenotype-workshop/
April 27 · 49 min
07 Is Fibermaxxing Good For You? Here's What the Science Says 🥑
The social media trend of "Fibermaxxing" seems to be everywhere, and the truth is: It's a very good idea. But as usual, Internet videos rarely explain the science. In this episode, Chuck and Will discuss how to increase your fiber in a slow, healthy way, in order to maximize gut health. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll and Matt Silverman Edited by Matt Silverman Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
April 20 · 13 min
5 Foods I Eat Most Days as a Gastroenterologist
People ask me all the time what a gastroenterologist actually eats. Not the Instagram version. The real version. What’s on the counter, what’s in the fridge, what goes in the bowl most mornings.So today I’m going to show you the five foods I eat most days. These aren’t exotic and bizarre. These are affordable, plant-forward foods that I choose for a specific purpose — because every one of them earns its place on the basis of what it does for your gut. And one of them I grow on my kitchen counter. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
March 30 · 57 min
Your Poop Is Alive, and It Has a LOT to Say About Your Health
Every time you flush a #2, you're sending a big ol' pile of living health data down the tubes. The shape, color, and consistency of our poop gives us enormous insight into our gut health and general well-being. Dr. B and Chuck break down what to look for, what to avoid, when to call your doctor, and the secret arctic poop vault that might save humanity. Videos referenced in this episode: ▶ The Power of Consistent Morning Routines: https://www.youtube.com/watch?v=nzgxsDeh4IM ▶ Stress Is Changing Your Gut Microbiome: https://www.youtube.com/watch?v=9VCG76sRbdI ▶ Science Says Coffee Is Awesome for Gut Health: https://www.youtube.com/watch?v=r1pZmvIey-4 Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
March 23 · 19 min
Collagen and Your Gut Health: What Does the Science Actually Say?
Collagen supplements are everywhere. They’re one of the most popular supplements in the world. And millions of people are taking them specifically for gut health. But is there evidence to support that? And how does collagen compare to prebiotic fiber when you look at the actual published research? Let's walk through the science on both sides. You might be surprised by what I found. More info on the science of farts: https://youtu.be/QIlpJh_0ESY
March 16 · 54 min
05 Colon Cancer: The Disturbing Trend I See In My Patients
Colon cancer is on the rise in younger American adults. 1 in 25 Americans (160,000) will be diagnosed this year, and it's become a leading cause of death in otherwise healthy, active people. So what's going on here? Dr. B and Chuck break down the science, and lay out 5 proven strategies that will dramatically reduce your risk. Videos discussed in this episode: 🍷 How Alcohol Affects Your Gut Lining: https://youtu.be/EEKqegd4lO4 🩺 What I've Learned From 9,000 Colonoscopies: https://youtu.be/-TFz9osQV8A Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll & Matt Silverman Edited by Matt Silverman Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
March 9 · 14 min
Science Says Coffee Is Amazing For Your Health. Here's What It Does Inside Your Gut.
Coffee is one of the most controversial topics in gut health. Some people swear it healed their digestion. Others say it destroyed it. And if you go looking for answers online, you'll find a doctor or an influencer to confirm whatever you already believe. Today I want to cut through the noise and show you what the science actually says — who should be drinking coffee, who should probably avoid it, and what your morning cup of bean juice is really doing inside your colon. The answer isn't as simple as 'coffee is good' or 'coffee is bad.' It's more interesting than that. Learn more about the importance of circadian rhythms and gut health in episode 03 of The Gut Insider's podcast: https://www.youtube.com/watch?v=nzgxsDeh4IM Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
March 2 · 57 min
04 Make These 4 Changes to Your Sleep Routine Right Now 🌙
We spend all day trying to be healthy — then undo it in the last two hours before bed. This week on The Gut Insiders, podcast Dr. B explains how nights can quietly sabotage gut healing, and what to do about it. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 The Gut Insiders is hosted by Chuck Carroll and Dr. Will Bulsiewicz and produced by Matt Silverman. Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
March 1 · 15 min
5 Ways to Protect Your Gut Microbiome From Chronic Stress
Stress doesn’t just live in your head. It shows up in your gut. That’s why during times of stress you might feel bloating, waves of cramps, diarrhea with urgency, clamming up constipation, or upper GI symptoms like nausea, indigestion, and reflux. These aren’t random. They are all real life manifestations of the brain-gut axis. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com