Grape powder may boost gut health in obesity, small study hopes

NCT ID NCT07231484

Recruiting now Disease control Sponsor: University of Missouri-Columbia Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jul 31, 2026 · Updated 3 times

Summary

This study tests whether eating freeze-dried grape powder every day for 4 weeks can improve gut bacteria, reduce inflammation, and lower stress in adults with obesity. Fifty participants aged 30-45 will be randomly assigned to receive grape powder or a placebo, then switch after a break. Researchers will measure changes in gut microbes, immune markers, and body composition.

What this could mean

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

Active substance: freeze-dried grape powder
What this could lead to: If it works, this could point toward a simple dietary addition to help manage obesity-related inflammation and gut health.
What could go wrong: This is a small, early-stage trial with only 50 participants. The effects may be modest or not translate to real-world grape consumption. No major risks expected, but benefits are uncertain.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

OBESITY &AMP; OVERWEIGHT

Contacts and locations

Locations

University of Missouri-Columbia
RECRUITING

Columbia, Missouri, 65211, United States

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