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Omega-3 study: can fish oils boost athlete performance?

NCT ID NCT07634133

Knowledge-focused Sponsor: The Jerzy Kukuczka Academy of Physical Education in Katowice 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how omega-3 fatty acid supplements change the makeup of red blood cells and muscle function in healthy male athletes. Researchers will measure omega-3 levels in blood and use a special device to check muscle responses. The goal is to understand the effects, not to treat any disease.

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 200 people

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

Started

Apr 2025

Expected to finish

Dec 2027

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 60 years

Sex

Male 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:\*\* * Male participants aged 20-40 years. * Apparently healthy individuals, as determined by medical history and self-reported health status. * Physically active, engaging in regular physical activity at least 3 times per week for the previous 6 months. * Following a mixed diet. * Willingness to maintain habitual dietary and physical activity patterns throughout the study. * Willingness to refrain from consuming dietary supplements other than those provided as part of the study. \*\*Exclusion Criteria:\*\* * Current use of dietary supplements within 4 weeks prior to enrollment. * Following a low-carbohydrate, ketogenic, high-carbohydrate, vegetarian, or vegan diet. * Presence of gastrointestinal disorders affecting nutrient absorption, including irritable bowel syndrome, inflammatory bowel disease, celiac disease, or other clinically significant gastrointestinal conditions. * History of cardiovascular, metabolic, endocrine, hepatic, renal, neurological, or autoimmune diseases. * Current use of medications known to affect lipid metabolism, inflammation, antioxidant status, or cognitive function. * Known allergy or intolerance to study supplements or their ingredients. * Participation in another clinical trial within the previous 3 months.

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As listed by the trial registrant

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

Healthy volunteers

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Academy of Physical Education in Katowice

    Katowice, 40-065, Poland

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