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Magnesium may boost sleep and brain power, small trial hints

NCT ID NCT07515417

Symptom relief Sponsor: Umm Al-Qura 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 19, 2026 · Updated 2 times

Summary

This study tested whether taking 400 mg of magnesium citrate daily for 90 days could improve sleep quality and cognitive function in healthy Saudi adults who reported poor sleep. Researchers compared 41 participants who took the supplement to a control group that took nothing. The study measured sleep using a standard questionnaire and thinking speed with a trail-making test.

What this could mean

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

Active substance
magnesium citrate (400 mg daily)
What this could lead to
If it works, this could point toward a simple, low-cost supplement to improve sleep and mental sharpness in healthy adults.
What could go wrong
This is a small, early-stage trial with only 41 participants. Results may not apply to everyone, and supplements can cause mild stomach upset.

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

41 people

The number who actually took part.

Started

Oct 2024

Finished

Jun 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

18 to 50 years

Sex

Anyone

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: * Adults aged 18 years and above * Poor Sleep Quality (\>5 PSQI score) * Living in Saudi Arabia Exclusion Criteria: * Children less than 18 years old * Good Sleep Quality (5 or less PSQI score) * Pregnant or breastfeeding * Current smoker * History of sleep disorder * History of cognitive impairment * Diagnosed with a disease (e.g. diabetes, hypertension, celiac, psychiatric disease) * Acute phase of diseases (e.g. cardiovascular) * History of head injury (e.g. accident) or neurological disorders (e.g. seizures)/neurodevelopment disorders * Use of prescribed medications within the past 3 months that may influence sleep * Current use of hormone therapy (e.g. thyroxine, insulin, growth hormone, contraceptives) * Use of dietary supplements within the previous 3 months (e.g. vitamin D, omega-3..etc) * Food allergies/intolerances (e.g. eggs, nuts, milk) * Excessive caffeine consumption (\>450 mg/day, more than 4 cups) * Shift worker or work schedules that cause irregular sleep patterns * History of travel to a different time zone in the previous month * Experiencing events that may cause severe stress for the previous 6 weeks from baseline (e.g. divorce or death or acute illness of a family member) * Has children between 0-2 years

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Conditions

The condition(s) this trial relates to.

insomnia

As listed by the trial registrant

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

Health adult subjects Healthy Healthy adult Healthy adult female participants Healthy adult females Healthy adult male Healthy adult male subjects Healthy adult participants Healthy controls Healthy participants Healthy women Healthy young adults Poor sleep quality Poor sleeping quality

Contacts and locations

Locations

  • Umm Al-Qura University

    Mecca, Saudi Arabia

More trials for these conditions

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