Could a daily probiotic boost your brain?

NCT ID NCT07168824

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a probiotic called PS23 can improve thinking and quality of life in people aged 50-85 who feel their memory is slipping but don't have dementia. Forty participants will take one capsule daily for 12 weeks, and researchers will measure changes in computer-based thinking tests and blood markers.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Lacticaseibacillus paracasei PS23 (a probiotic)

What this could lead to

If it works, this could point toward a simple, safe supplement to help with early memory or thinking problems.

What could go wrong

This is a small, early-stage trial with no placebo group, so results may be unreliable. The effect on cognition may be minimal or absent.

Disclaimer Read more

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.

Cognitive Dysfunction subjective cognitive decline

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Graduate Institute of Sports Science, National Taiwan Sport University

    Taoyuan, 33301, Taiwan