Gut bacteria pill may boost fat loss in overweight people

NCT ID NCT04677738

Completed Disease control Sponsor: Morinaga Milk Industry Co., LTD Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a probiotic called Bifidobacterium breve can help healthy overweight adults lose fat when combined with exercise. About 95 participants took either the probiotic or a placebo for 12 weeks. Researchers measured changes in body fat using X-ray scans to see if the probiotic made a difference.

What this could mean

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

Active substance: Bifidobacterium breve probiotic
What this could lead to: If it works, this could point toward a simple probiotic supplement to help with fat loss when combined with exercise.
What could go wrong: This is a small, early-stage study in healthy overweight adults. The effect may be small or not meaningful for weight loss, and results may not apply to everyone.

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

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

OBESITY OVERWEIGHT AND OBESITY

Contacts and locations

Locations

KGK Science Inc

London, Ontario, N6A 5RB, Canada

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