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Your gut microbiome. Your well-being. They’re connected.

Advancing the frontier of microbiome understanding.

Join us August 4th 2026: The Gut Microbiome 101 Webinar

Featuring Alexander Khoruts MD, University of Minnesota

Join us at Growing Hope 2026.

September 11, 2026 at The Winery at Sovereign Estates.

Basics

Your gut functions mostly out of sight. Until it doesn't.

We don’t have to think much about our gut microbiome. A complex ecosystem of some 100 trillion bacteria, fungi, and viruses, the microbes normally play together nicely. Abnormally, however, when imbalances occur, the microbiome gets attention. Yours and ours.

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Purpose

Scientists and patients: You have our unwavering support.

At ACT, we’re singularly focused on changes in the makeup of the microbiota that can seriously affect your well-being. By both funding research and also helping individuals to find treatments, we aim to restore balance to ailing microbiomes.

About Us

By the numbers

Advancements that deliver results.

0

C. difficile
Patients Treated

0

C. difficile Cases
Successfully Resolved

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Clinical Trials
Supported

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Microbiota Transplant Therapies Produced

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Different Illnesses
Targeted

Impact

Gut check: a decade of progress.

Since ACT founder Peter Westerhaus channeled his competitive determination into winning cures for gut disorders, remarkable advancements have been made against ulcerative colitis, Crohn’s disease, obesity, diabetes, and more. ACT has become an authoritative resource on leading-edge treatments and clinical trials.

Producing breakthrough treatments.

Developing revolutionary product.

Supporting new research frontier.

Alleviating human suffering.

Personal Experiences

Journeys that inspire.

You’re not alone if you suffer from one of the many gut microbiome disorders. They are incredibly widespread, affecting about 11.3% of the U.S. population. If you’re in this company, you may take heart and take courage from personal stories like these.

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Kevin

Tim & Kathy’s Story

Matt

Terri

events

JOIN US

ACT also stands for “action,” and there are numerous ways to get involved, including runs, webinars for the public and professionals, and annual fundraising events. Explore past activities and check back for new ones.

The Gut Microbiome 101 Webinar

Starting 4 August, 2026

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