Berry extract may sharpen aging brains, small study hints
NCT ID NCT05268133
First seen Oct 31, 2025 · Last updated Jun 22, 2026 · Updated 26 times
Summary
This study tested whether taking aronia berry extract for a period can improve blood flow and insulin sensitivity in the brains of adults aged 55-75 who are at risk for cognitive decline. Thirty participants received either the supplement or a placebo in a crossover design. The goal was to see if these changes could help maintain thinking skills.
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the original study
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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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Contacts and locations
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Locations
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Metabolic Research Unit Maastricht
Maastricht, Netherlands
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Aronia berry extract (dietary supplement)
What this could lead to
If it works, this could point toward a natural supplement that supports brain health in aging adults.
What could go wrong
This is a small, early-stage study with only 30 participants, so results may not apply widely. The supplement may show no clear benefit.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.