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Astaxanthin supplement may shield brain from mental fatigue

NCT ID NCT06460181

Symptom relief Sponsor: University of North Alabama Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tested whether taking astaxanthin, a natural antioxidant found in seafood, could help protect thinking skills after mental fatigue. Twenty-six healthy, active women aged 18–39 took the supplement and completed reaction-time tests on an iPad. The goal was to see if astaxanthin could keep the brain performing well when tired.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

26 people

The number who actually took part.

Started

Aug 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 to 39 years

Sex

Female participants only

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: * The participant population will be healthy, recreationally active females between the ages of 18-39 without any medical conditions. To be deemed recreationally active, they must meet the World Health Organization minimum activity guidelines of completing at least 150 to 300 min moderate-intensity activity or 75-150 min of vigorous-intensity activity a week, plus muscle-strengthening activities 2 or more days a week. * Adult females with a stable body weight (± 5 lbs.) for 2 months * Adult females with a normal menstrual cycle * Adult females not on a low-carb, high-fat diet or intermittent fasting * Adult females who are not pregnant of actively attempting to become pregnant Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

Mental Fatigue

As listed by the trial registrant

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

Mental fatigue

Contacts and locations

Locations

  • University of North Alabama

    Florence, Alabama, 35632, United States

More trials for these conditions

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