Grape powder shows promise for gut and heart health in new study
NCT ID NCT06544954
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether eating grape powder daily for 3 weeks can improve gut health, reduce inflammation, and improve blood vessel function in 40 overweight adults aged 45-70. Participants will drink grape or placebo powder twice a day and provide blood and stool samples. The goal is to see if grapes can act as a prebiotic to support heart and metabolic health.
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 supplement to improve heart and gut health in overweight adults.
What could go wrong
This is a small, early-stage trial with only 40 people over 3 weeks. Results may not apply to everyone, and the effect may be small or not last.
Disclaimer
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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.
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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Ragle Human Nutrition Center
RECRUITINGDavis, California, 95616, United States
Contact
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact