Plain-English translation of NCT07231484 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.
This 12-week study is testing whether freeze-dried grape powder can improve how your immune system and gut work in people living with obesity. Half of the participants will eat grape powder first, then switch to a placebo (inactive powder), while the other half will do the reverse. Researchers want to understand if grapes—which are full of natural compounds—can support better immune and digestive health.
Obesity can weaken immune function and change the balance of healthy bacteria in your gut. Scientists believe that the natural compounds in grapes may help restore balance and improve how your body fights illness, but this idea needs to be tested carefully in people.
You likely qualify if…
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You'll take part in a 12-week study where you consume either freeze-dried grape powder or a placebo powder for 4 weeks, then take a 4-week break, then switch to the other powder for another 4 weeks. You'll mix the powder into food or drinks daily and keep your diet and activity level consistent. The study involves blood tests and other measurements to check your immune and gut health at different points.
AI-generated summary from trial data · Jul 1, 2026 · Not medical advice
United States
University of Missouri-Columbia
Collaborators
California Table Grape Commission
Enrollment target
~50 participants
Started
December 2025
Primary completion
December 2027
Age range
30 Years – 45 Years
Last updated on clinicaltrials.gov in December 2025.
Reach out to the team running this trial. Response times vary — some teams are faster than others.
Central contact
Jaapna Dhillon PhD, PhD
University of Missouri-Columbia
Tell us you're interested and we'll help connect you with the research team. We'll walk you through what to expect first — no email needed to get started.