Could a daily synbiotic capsule ease emotional and gut symptoms in ADHD?

NCT ID NCT07717359

First seen Jul 21, 2026 · Last updated Jul 22, 2026 · Updated 1 time

Summary

This study investigates whether a synbiotic supplement—a mix of probiotics and prebiotics—can improve emotion regulation and reduce gastrointestinal problems in adults with ADHD. Participants take either the synbiotic or a placebo capsule daily for 12 weeks. The main focus is on changes in emotional control and gut symptoms, exploring the connection between the gut and the brain.

What this could mean

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

Active substance
a synbiotic supplement (probiotic bacteria and prebiotics) in capsule form
What this could lead to
If it works, this could point toward a simple dietary supplement that helps adults with ADHD manage emotional symptoms and stomach discomfort.
What could go wrong
This is an early-stage trial with a moderate number of participants, and the supplement may show no benefit over placebo. Results may not apply to everyone with ADHD.

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Conditions

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    Phone: •••-•••-•••• Email: •••••@•••••

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