Can a probiotic get things moving? new trial tests b. longum for constipation

NCT ID NCT06686420

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study is testing whether a daily supplement containing the B. longum probiotic can help adults who have infrequent bowel movements (less than 3 per week). Over 8 weeks, 80 participants will take either the probiotic or a placebo and track their bowel habits. The goal is to see if the supplement increases bowel movement frequency and improves stool consistency.

What this could mean

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

Active substance

B. longum probiotic supplement

What this could lead to

If it works, this could offer a natural, over-the-counter option to help relieve constipation without medication.

What could go wrong

This is a small, early-stage trial with only 80 participants. The supplement may not work better than a placebo, and results may not apply to everyone.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Atlantia Clinical Trials

    Chicago, Illinois, 60611, United States