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Steak vs. shake: which protein builds more muscle?

NCT ID NCT06739408

Knowledge-focused Sponsor: University College Cork 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study looked at whether getting protein from whole food (lean red meat) is better than from a supplement (whey protein) for building muscle during resistance training. 81 healthy adults did a 12-week exercise program and had either lean red meat, whey protein, or a placebo drink after each session. Researchers measured changes in muscle strength and body composition to see if protein source matters.

What this could mean

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

Active substance
lean red meat, whey protein, or maltodextrin placebo
What this could lead to
If it works, this could show that whole food protein like lean red meat is just as good as supplements for building muscle with exercise.
What could go wrong
This is a small, completed study in healthy young adults, so results may not apply to older people or those with health conditions. It also does not test any disease treatment.

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

81 people

The number who actually took part.

Started

Jan 2025

Finished

Oct 2025

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 35 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: * a. Aged between 18 to 35 years old. b. Have completed either no or low level only resistance training in the previous 6 months. c. Are not using any protein or performance/recovery enhancing supplements or willing to stop use for duration of the study. d. Willing to consume study treatment for duration of the study. e. Willing to perform resistance training. f. Must be able and willing to provide written informed consent to participate. Exclusion Criteria: 1. Have any notable health concern or disability which may conceivably increase risk to the participant and/or affect outcomes. 2. Has performed resistance training in the past 6 months at a moderate or high level. 3. Is a smoker. 4. Is unwilling or unable to perform full body resistance training. 5. Is pregnant or planning to become pregnant during the study period. 6. Has a food allergy or intolerance that may place participant at risk to consume any of the study treatments. 7. Is post-menopausal or currently undergoing menopause. 8. Follows a vegetarian or meat-avoidant diet.

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As listed by the trial registrant

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

Healthy No condition

Contacts and locations

Locations

  • Human Nutrition Studies Unit, University College Cork

    Cork, Co. Cork, T12 CY82, Ireland

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