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Bee product boosts brain power in seniors? new study tests royal jelly

NCT ID NCT06404203

Symptom relief Sponsor: Medipol University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether taking royal jelly (a bee product) as a daily supplement for 4 weeks could improve memory and thinking in healthy adults aged 55-70. Researchers measured cognitive test scores and blood markers of inflammation. The goal was to see if royal jelly's anti-inflammatory properties might protect the aging brain.

What this could mean

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

Active substance
royal jelly (from honeybees)
What this could lead to
If it works, this could point toward a natural supplement to help maintain memory and thinking in healthy older adults.
What could go wrong
This is a small, short-term study (4 weeks) in healthy people, not those with dementia. The results may not apply to everyone, and royal jelly can cause allergic reactions in some people.

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

120 people

The number who actually took part.

Started

Jul 2024

Finished

Jan 2026

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

55 to 70 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: * Between the ages of 55 and 70, * Male or female, Exclusion Criteria: * History of allergy to bee products * Known history of lactose allergy * Diagnosed dementia, * MMSE score below 21, * ADAS-Cog score of 12 and above, * Body Mass Index of 35 and above, * Be taking any medical medication, herbal product or dietary supplement for dementia, except for those who stopped using it at least 1 month before inclusion in our study, * Being or having been treated for acute acquired brain injuries such as acute traumatic brain injury, acute onset stroke, * Being followed up due to inflammatory disease, * Diagnosis of chronic or acute infection, * Taking corticosteroids or non-steroidal anti-inflammatory drugs, * Being or having been treated for a psychotic illness, * Severe anaemia, vital organ dysfunction or critical illness.

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Conditions

The condition(s) this trial relates to.

cognitive disorder Neuroinflammatory Diseases neuronitis

As listed by the trial registrant

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

Cognitive change Cytokine levels Neuroinflammation

Contacts and locations

Locations

  • T.C. Istanbul Medipol University

    Istanbul, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.