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Regarding Your Gut

Everything you need to understand
your gut, in one place.

A growing collection of physician-reviewed content from Dr. Ken Brown, MD, covering polyphenol research, clinical trials, educational lessons, glossary terms, downloadable resources, and our latest blog posts.

Gas + Bloating

Acid Reflux + Heartburn

Gastroenterologist Formulated

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Polyphenol Powered

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Clinically Proven

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Polyphenol Library

Deep-dive science on polyphenols, gut microbiome interactions, ingredient breakdowns, and condition specific applications.

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200+

Articles & Lessons

300+

Glossary Terms

15+

Clinical Studies

25+

Free Downloads

Blogs

Glossary

Clinical Trials

Resources

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Most people are told what to take. Few are told why.

These are the core articles we recommend if you want to understand what’s actually happening in your gut and how to approach it with the right strategy.

FOUNDATIONAL

The 4 Types of Polyphenols and What They Do in Your Gut

Flavonoids, phenolic acids, stilbenes, lignans, each class has a different role in digestive health. A practical breakdown of which types matter most and where to find them.

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FOUNDATIONAL

Flavonoids Explained: The Largest Class of Polyphenols

Flavonoids make up the majority of polyphenols in your diet including quercetin, catechins, and anthocyanins. What they are, what they do, and how your gut processes them.

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SIGNATURE

Tannins and Gut Health: What You Need to Know

Tannins get a bad reputation as "antinutrients," but the science tells a more nuanced story. How condensed and hydrolyzable tannins interact with your microbiome and why some target methane producing bacteria.

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SIGNATURE

Quebracho: The South American Polyphenol Powerhouse

The story of how Dr. Brown discovered quebracho colorado, one of the most stable polyphenols in nature, and why it is the cornerstone of Atrantil’s patented formula.

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