Grape-Soy combo may reshape your gut bugs

NCT ID NCT04018066

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether a supplement made from Concord grape polyphenols and soy protein can change the types of bacteria living in the gut. Researchers gave the supplement to 34 healthy adults aged 18-35 and measured changes in their gut bacteria and blood markers. The goal was to understand how this food combination might influence overall health.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

grape polyphenol-soy protein isolate complex (GP-SPI)

What this could lead to

If successful, this could help explain how certain foods change gut bacteria, potentially guiding future dietary recommendations for better health.

What could go wrong

This is a small, early-stage study with only 34 healthy participants, so results may not apply to everyone. It only looks at short-term effects on gut bacteria, not long-term health outcomes.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Rutgers, The State University of New Jersey

    New Brunswick, New Jersey, 08901, United States