427: The Daily Habits to Improve Gut Health and Heal Inflammation Naturally with Dr. Will Bulsiewicz

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Dec 10, 2025

Dr. Will Bulsiewicz, known as the Gut Health MD and bestselling author, dives into the fascinating world of gut health and inflammation. He reveals the number one food for reducing inflammation and highlights surprising signs of chronic inflammation. Will explores the connection between negativity and gut health, discusses the impact of the Western diet, and debunks myths around dietary restrictions. He offers practical, science-backed strategies for improving gut health, including non-food lifestyle changes and the benefits of morning sunlight.

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INSIGHT

Gut Health Is More Than Microbes

Gut health includes the microbiome plus digestion, motility, enzymes, and systemic effects on metabolism, hormones, mood, and immunity.
Chronic low-grade inflammation means the immune system stays activated and underlies many modern diseases.

INSIGHT

Inflammation Often Shows Up As Nonspecific Symptoms

Chronic low-grade inflammation manifests as fatigue, brain fog, skin issues, hormonal and digestive symptoms before major disease appears.
Will Bulsiewicz links over 130 conditions to inflammation, showing its wide systemic impact.

INSIGHT

Gut Microbes And Barrier Change Fast

Will found that inflammatory conditions and an unhealthy gut microbiome consistently co-occur across studies.
The gut barrier renews every 3–5 days, so improvements can begin quickly with the right choices.

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Dr. Will Bulsiewicz is a physician, bestselling author and one of the most respected voices in microbiome science. He joins the show for a deep dive into the powerful connection between gut health and inflammation. We break down how the gut impacts every system in the body, why chronic low-grade inflammation is so common, and the surprising signs you may have it even if you feel “fine.” Dr. B shares the number one food for lowering inflammation, why you can’t have a healthy microbiome and inflammatory conditions at the same time, and how to start transforming your gut barrier in just 3–5 days.

We also dive into the downstream effects of living in negativity and reactivity, the health issues tied to the Western diet, and how restrictive eating can backfire on your microbiome. Dr. B offers evidence-based tools to improve gut health, reduce inflammation, and support overall wellbeing — including non-food lifestyle practices, his essential supplement stack, and the truth about glyphosate and antibiotics.

We also explore why you feel better abroad, the gut barrier’s circadian rhythm, the 7-day outdoor challenge, the 10-minute habit that makes you happier and sleep better and his most unpopular health stance.

This is a concise, practical, science-driven guide to what actually works for gut health and inflammation!

Follow Dr. B @theguthealthmd and pre-order his newest book: https://a.co/d/j2qOcAA

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