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Fish oil and eye vitamins may sharpen your mind and strengthen your bones

NCT ID NCT06489873

Disease control Sponsor: Texas A&M University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether taking a daily supplement of lutein, zeaxanthin, and fish oil for six months can improve thinking skills, eye health, and bone density in healthy adults. Researchers will enroll 80 people with low levels of a key eye pigment. Participants will take either the supplement or a placebo pill every day. The goal is to see if these nutrients can help protect against age-related decline.

What this could mean

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

Active substance
lutein, zeaxanthin, and fish oil supplement
What this could lead to
If it works, this could point toward a simple dietary supplement to help maintain memory, vision, and bone strength as people age.
What could go wrong
This is a small, early-stage trial in healthy adults, so results may not apply to everyone. Supplements often show modest effects, and the study is not designed to prove long-term benefits.

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

About 80 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2024

Expected to finish

May 2026

An estimate. End dates often move.

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 45 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: * \<.43 MPOD, a self-reported best-corrected vision of 20/40 or better in each eye, a BMI range of 18.5-30, and meets the inclusion criteria on the preliminary participant questionnaire. Exclusion Criteria: * allergic to lutein, zeaxanthin, or fish oil, taking supplements with \>6 mg lutein and/or \>2 mg zeaxanthin for more than two months before study starts, MPOD between \>.43, self-reported condition of vertigo, diabetic retinopathy, retinitis pigmentosa, optic neuropathy, retinal vascular occlusions, strabismus, autoimmune disorders related to visual health, currently pregnant or trying to become pregnant, history of concussion, vegan (due to gelatin in the placebo), and/or taking neuroactive medications, such as Ritalin, Adderall, antidepressants, etc.

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Conditions

The condition(s) this trial relates to.

age-related macular degeneration Bone Diseases, Metabolic macular degeneration osteoporosis

As listed by the trial registrant

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

Age-related macular degeneration Bone loss Cognitive performance

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Gilchrist Building

    RECRUITING

    College Station, Texas, 77843, United States

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