Atrantil Has A New Home

What began with Atrantil has grown into something bigger. Welcome to Regarding Your Gut, home to a growing family of science-backed digestive solutions.

We Re:build Digestive Function.

From Top To Bottom.

Targets Root Cause

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Gastroenterologist Formulated

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Polyphenol Powered

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Clinically Proven

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Gas + Bloating

“I feel bloated and gassy,
especially after eating.”

Find Relief

Acid Reflux + Heartburn

“I deal with burning, heartburn,
or that reflux feeling.”

Find Relief

Science Beyond Symptom Relief.

Our products don't chase symptoms. They use targeted polyphenols to support the digestive mechanisms behind them.
Atrantil Gas + Bloating Relief

Atrantil Gas + Bloating Relief

$39.95

Gas + Bloating Support

88% Improvement in Bloating.**

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Re:flux Acid Reflux Relief

Re:flux Acid Reflux Relief

$44.95

Acid Reflux Relief

81% GERD Symptom Resolution.**

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Re:lieve Your Gut Bundle

Re:lieve Your Gut Bundle

Regular price  $84.90 Sale price  $72.17

Re:lieve Your Gut Bundle

Two Formulas. One Complete Approach.

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Re:set Your Gut Starter Bundle

Re:set Your Gut Starter Bundle

Regular price  $79.98 Sale price  $67.98

Re:set Your Gut Starter Bundle

30 Days to a Healthier Gut.*

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** Every product is supported by published clinical studies. Review the research

Meet Quebracho Colorado

The only known polyphenol shown to fracture the cell wall of methane-producing archaea.
A key ingredient in Atrantil's clinically studied approach to gas and bloating.

Learn More

Re:think Your Gut

Understanding What's Going On In Your Gut

Most gut symptoms have a cause that goes deeper than what you feel. Here's a plain-English breakdown of what's actually happening, and how each formula works with your body's own system.

The Science,
Explained

Dr. Brown explain the mechanisms behind bloating, reflux, and gut health, and how each formula is built to address them.

30-DAY RE:SET FOR BLOATING RELIEF

If Bloating Has Been Building For Months Or Years, Give Your Gut More Than A Day To Respond.

Atrantil is designed to support the underlying cause behind gas and bloating. Because that process takes time to calm, consistent use over 30 days is recommended.

Most people use two bottles to see a significant change.

Shop 30-Day Bundle Learn More About The 30-Day Re:set

*Save 15% with the 30-Day Bundle

Formulated by a gastroenterologist who saw the need for something better.

Board-certified gastroenterologist Dr. Ken Brown, M.D., has performed over 20,000 endoscopic procedures and published clinical research on digestive health.

In practice, he saw a consistent pattern: patients with ongoing symptoms cycling through treatments that never worked and didn't address what was driving them.

Rather than accepting that model, he went deeper into the science.

His work led him to polyphenols, plant compounds that can influence microbial activity and gut function at the systemic level.

From Top to Bottom.

Today, the Regarding Your Gut product line reflects that clinical philosophy: end-to-end support for the digestive system, from acid reflux and heartburn to gas and bloating.

Each formula is designed to work with your body's own mechanisms, without relying on pharmaceuticals. Because long-term gut health should be natural, effective, and built to last.

Read The Clinical Research

When You Support the Gut,
You Support Everything.

Hear Dr. Brown’s Story

After healing his own gut imbalance and acid reflux, board-certified gastroenterologist Dr. Ken Brown, M.D., spent years in clinical practice watching patients struggle with symptoms that conventional treatments couldn't fully resolve. That experience led him to explore the science of polyphenols, plant compounds with a remarkable ability to influence the gut environment at a system level.

2 Million + Guts Supported

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80%+ Effective in Clinical Trials

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Developed by a Board-Certified Gastroenterologist

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Polyphenol Science Backed

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Trusted By Healthcare Professionals and Retailers Nationwide

Subscribe + Save.

Because it Works.

60-Day Money-Back Guarantee

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Non
GMO

FSA
Eligible

Gluten
Free

Clinically
Tested

Physician
Developed

60 Day
Guarantee

GMP
Certified

Polyphenol
Powered

NSF
Sport

Join the Re:garding
Your Gut Community

Get gut health insights, exclusive promotions, and early access to new products, straight from Dr. Brown's desk

Save 10% on your first order +
Free Gut Health Starter Guide

Clinically Tested. Clinically Proven.

Read The Clinical Research

Atrantil was proven to be over 84% effective in both double-blind and open-label trials for those suffering from bloating.*

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Re:flux was proven in a retrospective chart analysis to have 81% reported complete GERD symptom resolution. 79.3% were able to discontinue acid-suppressing medications.*

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