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Could a daily glass of kefir boost Weight-Loss efforts?

NCT ID NCT07840274

Disease control Sponsor: Pınar Göbel 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 25, 2026 · Last updated Sep 25, 2026

Summary

Researchers are testing whether drinking 200 mL of plain kefir every day, alongside a personalized diet plan from a registered dietitian, helps women with obesity lose weight and improve body composition. The trial enrolls 68 women aged 18 and older with a BMI of 30 or higher. Participants are randomly assigned to receive either kefir plus nutrition therapy or nutrition therapy alone for 12 weeks, with check-ins at the start, week 6, and week 12. The study measures changes in body weight, body fat, blood markers, gut symptoms, bowel habits, and psychological well-being.

What this could mean

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

Active substance
plain kefir, a fermented milk drink, added to individualized medical nutrition therapy
What this could lead to
If kefir adds benefit, it could become a simple, low-cost addition to weight-management programs for women with obesity.
What could go wrong
Kefir may add little beyond standard nutrition therapy, and any weight or mood changes could come from the diet plan rather than the drink. The trial is small and short, so results may not hold up in larger or longer studies.

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

68 people

The number who actually took part.

Started

Jun 2024

Finished

Dec 2024

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 years and older

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: Female participants aged 18 years or older. Diagnosis of obesity (BMI ≥30 kg/m²). Willingness to participate in the study and comply with the intervention protocol. Provision of written informed consent. Exclusion Criteria: Pregnancy or lactation. Current use of antibiotics, probiotic or prebiotic supplements during the study period or within the specified washout period (if applicable in your protocol). Presence of severe gastrointestinal, renal, hepatic, endocrine, or other serious chronic diseases that could affect study outcomes. Known allergy or intolerance to kefir or dairy products. Inability to comply with the intervention or follow-up procedures.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight Psychological Well-Being

As listed by the trial registrant

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

Body composition Gut -microbiota Obesity & overweight

Contacts and locations

Locations

  • Healthy Living Center, Karabük

    Karabük, Turkey (Türkiye)

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