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Could a prebiotic powder boost your gut health? new study tests safety

NCT ID NCT06068894

Knowledge-focused Sponsor: University of North Carolina, Chapel Hill Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study tested the safety and tolerability of two types of prebiotic powders (hGOS and GOS) compared to a placebo in 60 healthy adults over 4 weeks. Participants added the powder to drinks daily and reported any gut symptoms. Researchers also checked changes in gut bacteria and inflammation markers. The goal was to see if these prebiotics are safe and how they affect the gut.

What this could mean

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

Active substance
humanized galacto-oligosaccharides (hGOS) and galacto-oligosaccharides (GOS)
What this could lead to
If successful, this could support using these prebiotics to improve gut health and reduce inflammation in healthy people.
What could go wrong
This is a small, early-phase trial in healthy adults, so results may not apply to people with gut conditions. Side effects like bloating or gas are possible.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

60 people

The number who actually took part.

Started

Jun 2024

Finished

Mar 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 55 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * All participants will be nonsmokers and well-nourished according to standard anthropometric criteria with BMI between 18.5 and 32. * Individuals must be able to give informed consent. * Subjects willing and able to: * consume prebiotics or placebo preparations for a period of 4 weeks. * Record daily food consumption using the Centers for Disease Control and Prevention (CDC) My Food Diary questionnaire. * provide stool and blood (via venipuncture) samples. * Enrollment will not be restricted based on race, ethnicity, or gender. The subject population will reflect the population providing a broad selection of individuals to allow enrollment of subjects from all races, ethnicities, and genders, as represented in North Carolina state. Exclusion Criteria: * Less than 18 years of age or older than 55 years of age * Pregnant or breastfeeding

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As listed by the trial registrant

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

Intestinal health

Contacts and locations

Locations

  • UNC-Chapel Hill

    Chapel Hill, North Carolina, 27599, United States

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