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
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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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