Probiotics for teen stress: a Gut-Brain boost?

NCT ID NCT07565883

First seen May 07, 2026

Summary

This study tested whether a daily probiotic supplement could support emotions, thinking skills, and immune function in 104 adolescents with moderate stress. Participants took either probiotics or a placebo for 12 weeks. Researchers measured mood, memory, attention, and immune markers. The goal was to explore potential benefits, not to treat or cure any condition.

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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

Locations

  • Division Clinical Pharmacology, SOM, University of Utah

    Salt Lake City, Utah, 84108, United States

  • University of Utah, Pediatrics and Primary Childrens Hospital

    Salt Lake City, Utah, 84108, United States

What this could mean

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

Active substance

probiotic blend (Lactobacillus plantarum and Lactobacillus brevis)

What this could lead to

If it works, this could point toward a simple dietary supplement to help teens manage stress and support brain and immune health.

What could go wrong

This is an early exploratory study, not designed to prove treatment effects. Results may not be conclusive or generalizable to all teens.

As listed by the trial registrant

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