Blueberry powder may strengthen immunity in seniors
NCT ID NCT05534893
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This completed study tested whether daily blueberry powder can improve immune function in overweight men and postmenopausal women aged 50-70. Participants took either blueberry powder or a placebo for a period, and researchers measured changes in immune cells and inflammation. The goal was to see if a simple dietary addition could support the immune system in an aging population.
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 blueberry powder
What this could lead to
If it works, this could suggest that adding blueberries to your diet may help support immune function in older adults.
What could go wrong
This is a small, early-stage trial with only 52 participants. The results may not apply to everyone, and the effects could be modest.
Disclaimer
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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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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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Locations
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Loma Linda University School of Public Health
Loma Linda, California, 92350, United States