Gut-Brain link: probiotic may slow memory decline in seniors
NCT ID NCT07165977
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 2 times
Summary
This study tests whether a daily probiotic supplement can improve memory and thinking in adults aged 50 and older. Over 6 months, participants take either the probiotic or a placebo for 3 months, then switch. Researchers measure memory tests, brain activity, and gut bacteria to see if diet and microbiome affect results.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Probiotic supplement (Bifidobacterium longum Rosell®-175 and Lactobacillus helveticus Rosell®-52)
What this could lead to
If it works, this could point toward a simple, safe way to slow age-related memory decline using a daily probiotic.
What could go wrong
This is a small, early-stage crossover study with 110 participants. The effect may be small or not last, and results may not apply to everyone.
Disclaimer
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This is a summary of
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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SWPS University
Warsaw, Masovian Voivodeship, 03-815, Poland