Dr. Will Bulsiewicz & The Most Googled Gut Health Questions: GLP-1s, Healthy Soda, & More
The Exam Room by the Physicians Committee
Physicians Committee
4.9 • 3.5K Ratings
🗓️ 11 June 2026
⏱️ 52 minutes
🧾️ Download transcript
Summary
Could eating late at night be hurting your gut health? Are prebiotic and probiotic sodas actually good for your microbiome? And what do GLP-1 weight loss drugs such as Ozempic and Wegovy mean for digestion, constipation, and gut bacteria?
Dr. Will Bulsiewicz joins Chuck Carroll on The Exam Room Podcast to answer the most Googled gut health questions from listeners.
🧠 On this episode:
- Why late-night eating and chronic stress may be a double hit to your gut
- How your microbiome follows a circadian rhythm
- Whether "healthy" sodas are really worth the hype
- The best fermented foods for gut health
- Why cabbage is having a nutrition moment
- What constipation may reveal about Parkinson's disease risk
- Whether microbiome stool tests can really tell you what to eat
- What we know so far about GLP-1 medications and the microbiome
- How to support gut health while losing weight
Dr. B also shares his thoughts on cravings, nighttime routines, tart cherry juice, fiber supplements, and why diet and lifestyle still come first.
Exam Roomies of the Week
- Linda Verchimak
- Luanne Siwiec
- Marlene Erven
🙏 Support The Exam Room Podcast & PCRM
👉 https://bit.ly/SupportExamRoom
👨⚕️ Dr. Will Bulsiewicz
👉 https://theguthealthmd.com
📺 Dr. B's YouTube Channel
👉 https://www.youtube.com/@theguthealthmd
📗 Dr. B's Books
👉 https://amzn.to/4e1CiQd
🎉 International Conference on Nutrition in Medicine
👉 https://www.pcrm.org/icnm
This episode is not medical advice. Always speak with your doctor about cancer screening, treatment, and any changes to your diet or lifestyle.
- About Us -
The Physicians Committee is dedicated to saving lives through plant-based diets and ethical and effective scientific research. We combine the clout and expertise of more than 17,000 physicians with the dedicated actions of more than 175,000 members across the United States and around the world.
Transcript
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| 0:00.0 | The clock is tick, tick, ticking, my friends, and we are sending some big love to Linda |
| 0:05.0 | Verchmack, Luann Seawak, and Marlene Irving for helping power this life-changing and life-saving |
| 0:11.6 | work we do here at the exam room podcast and Physicians Committee. |
| 0:15.6 | And right now, thanks to the generosity of one specific donor, all contributions made to the Physicians Committee through |
| 0:22.1 | July 10th will automatically be doubled. That means $20 becomes 40, 100 becomes 200, and so on. |
| 0:29.6 | And every gift of $100 or more automatically receives an exclusive exam room podcast toteback. |
| 0:37.3 | Plus donations of $20 or more. |
| 0:39.5 | We'll hear their name shout it out right here on the show. |
| 0:42.2 | So be like Linda, Luann, and Marlene, and give what you can today. |
| 0:46.2 | PCRM.org slash support exam room or click that link in the episode notes. |
| 0:53.1 | Today on the exam room kisha is wondering about |
| 1:00.3 | prebiotic and probiotic soda she said they're everywhere people treat these things |
| 1:04.8 | like health food are they actually helping the gut or are we just putting a lab coat on a can |
| 1:10.4 | of coca-cola and charging three bucks more? |
| 1:12.9 | What say you here? |
| 1:13.9 | Let's start with the premise that you're going to pay a lot more. |
| 1:17.7 | And then what makes it so gut friendly? |
| 1:19.9 | Well, what they do is they sprinkle in fiber supplements. |
| 1:23.3 | But what they're sprinkling in from a fiber supplement perspective, I'm just here to tell you, is like |
| 1:27.9 | consistently the cheapest fiber supplement you could possibly put in there. It is so dirt cheap. And I know |
| 1:35.1 | this for a fact because I work in the supplement world. I know how inexpensive these things are. |
| 1:40.8 | So it's kind of wild to me that this junk fiber gets dropped in there at a couple pennies, |
... |
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