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Can fish oil and whey help older women build muscle?

NCT ID NCT05862779

Prevention Sponsor: Federal University of Uberlandia 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 24, 2026 · Last updated Sep 25, 2026 · Updated 1 time

Summary

Researchers are testing whether taking omega-3 fish oil and whey protein supplements helps postmenopausal women gain lean muscle mass and strength while doing resistance exercise. About 75 women will be split into four groups: placebo, omega-3 alone, whey alone, or both supplements together. Everyone follows the same 12-week strength training program. The study measures changes in muscle mass and strength to see if the supplements add any benefit beyond exercise.

What this could mean

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

Active substance
omega-3 fish oil and whey protein supplements
What this could lead to
If it works, this could offer older women a simple nutrition plan to protect muscle as they age. It could also shape exercise and diet guidance for preventing sarcopenia.
What could go wrong
This is a small, 12-week study in one group of postmenopausal women, so results may not apply to everyone. Supplements often show weaker effects than hoped, and exercise alone may drive most of the benefit.

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

75 people

The number who actually took part.

Started

Jul 2024

Expected to finish

Jan 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

60 to 80 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: * Postmenopausal women (at least 1 year of menstrual interruption, self-reported); * To be able to practice strength exercises; * To be able to carry out supplementation; * Do not present physical, orthopedic or cardiovascular complications that prevent the performance of physical exercises; * No history of stroke or acute myocardial infarction; * Not being a smoker and/or alcoholic; * Do not perform hormone replacement therapy; * Do not use anti-inflammatory drugs; * To have normal kidney function; * To submit a medical certificate of health that proves that the individual is able to perform exercises. Exclusion Criteria: * Do not provide the necessary information for the development of the study; * Individuals with diseases previously diagnosed and undergoing treatment, such as type II diabetes mellitus, cancer, rheumatoid arthritis, cardiovascular, and kidney and/or liver diseases.

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Conditions

The condition(s) this trial relates to.

Sarcopenia

As listed by the trial registrant

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

Sarcopenia

Contacts and locations

Locations

  • Federal University of Uberlandia

    Uberlândia, Minas Gerais, 38400-902, Brazil

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