Berry extract may sharpen aging brains, small study hints
NCT ID NCT05268133
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether taking aronia berry extract for a period can improve blood flow and insulin sensitivity in the brain, which are linked to better thinking skills. Thirty adults aged 55-75 with higher body weight but no diabetes took the supplement or a placebo in a crossover design. Researchers used MRI scans to measure brain changes and cognitive tests to check memory and attention.
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 to support brain health in aging.
- What could go wrong
- This is a small, early-stage study with only 30 participants. Results may not apply to everyone, and supplements are not regulated like drugs.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Metabolic Research Unit Maastricht
Maastricht, Netherlands
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