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Protein power: whey and collagen combo builds stronger muscles and bones

NCT ID NCT07171411

Disease control Sponsor: Ankara Yildirim Beyazıt University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested whether taking whey protein together with collagen peptides helps resistance-trained men build more muscle and bone density than either supplement alone or a placebo. Forty healthy men aged 18–35 who already lifted weights took one of four supplements for 8 weeks while following a supervised training program. The group taking both whey and collagen showed the biggest gains in muscle mass, spine bone density, and strength, with no serious side effects.

What this could mean

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

Active substance
whey protein isolate and collagen peptides
What this could lead to
If confirmed, this combination could offer a simple dietary strategy to improve muscle mass and bone density in active men.
What could go wrong
This was a small, short-term study in healthy young men, so results may not apply to older adults or women. Long-term benefits and safety are unknown.

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

40 people

The number who actually took part.

Started

Jan 2024

Finished

Apr 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 35 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 18-35 years * At least 1 year of consistent resistance training experience (≥3 sessions per week, targeting major muscle groups) * Healthy, with no history of musculoskeletal, metabolic, or cardiovascular disorders * No current or recent (\<6 months) use of anabolic steroids, growth hormones, or performance-enhancing substances * Non-smoker and no habitual use of anti-inflammatory medications * Able and willing to comply with supplementation and supervised training program * Provided written informed consent Exclusion Criteria: * Participation in similar supplementation studies in the past 6 months * Recent fractures or surgeries affecting musculoskeletal health (\<6 months) * Known allergy or intolerance to dairy proteins or collagen supplements * Inability to attend scheduled supervised resistance training sessions * Non-adherence to dietary control requirements (e.g., use of additional protein/creatine supplements during study) * Any condition deemed by investigators to interfere with study compliance or safety

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Conditions

The condition(s) this trial relates to.

Hypertrophy myostatin-related muscle hypertrophy

As listed by the trial registrant

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

Bone mineral density loss Muscle hypertrophy Resistance training adaptation

Contacts and locations

Locations

  • University of Health Sciences

    Ankara, Etlik, 06200, Turkey (Türkiye)

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