How Vitamin A and Gut Bacteria Work Together for Gut Health

Vitamin A metabolism at the host-microbiome interface

NIH-funded research Brown University · NIH-11180473

This research explores how vitamin A and the bacteria in your gut interact to keep your digestive system healthy and strong.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBrown University NIH-funded
Lab location1 site (Providence, United States)
Project IDNIH-11180473 on NIH RePORTER

What this research studies

Our gut barrier relies on a form of Vitamin A called retinoic acid (RA) to maintain a balanced immune system and ensure the gut lining can repair itself. We've discovered that the bacteria living in your gut play a key role in how your body processes dietary vitamin A. This project aims to understand how these gut bacteria influence vitamin A levels and how this interaction affects gut immunity and the ability of the gut lining to regenerate after damage. By understanding these processes, we hope to uncover new ways to support gut health.

Who could benefit from this research

Good fit: This foundational research is relevant for individuals interested in the underlying causes of gut inflammation and conditions affecting the intestinal lining.

Not a fit: Patients seeking immediate treatment options or direct clinical intervention would not directly benefit from this basic science research.

Why it matters

Potential benefit: If successful, this work could lead to new strategies for improving gut health and treating conditions like inflammatory bowel disease by targeting vitamin A processing or gut bacteria.

How similar studies have performed: Our previous work first revealed the crucial role of gut bacteria in vitamin A processing, making this a novel area of exploration building on recent discoveries.

Where this research is happening

Providence, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.