Probiotics for teen stress: a Gut-Brain boost?

NCT ID NCT07565883

Completed Knowledge-focused Sponsor: University of Utah Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 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.

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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

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

COGNITIVE ABILITY GENERAL EMOTIONS IMMUNE SYSTEM FUNCTION

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

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