Plant protein plus creatine: a muscle-building combo put to the test
NCT ID NCT07735988
First seen Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time
Summary
This trial investigates whether adding soy protein and creatine supplements to a resistance training routine can improve body composition, lower markers of muscle damage, and affect testosterone levels in healthy men aged 18–35 who have been lifting weights for at least a year. Over eight weeks, participants follow a diet and take the supplements while researchers measure changes in muscle mass, body fat, and blood biomarkers. The goal is to see if this combination offers any advantage over training alone.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- soy protein and creatine monohydrate supplements
- What this could lead to
- If it works, this could help clarify whether plant-based protein plus creatine offers benefits for muscle gain and recovery in active men.
- What could go wrong
- This is a small, early-stage trial in healthy men only, so results may not apply to women, older adults, or people with health conditions. Supplements may cause digestive upset or other mild side effects.
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
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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
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54 people
The number who actually took part.
- Started
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Jan 2026
- Finished
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Mar 2026
- Lead sponsor
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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
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18 to 35 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Being between 18-35 years old, * Having regularly performed resistance training for at least one year, * Not having any metabolic disease, * Not taking any regular medication, * Not using any nutritional supplements in the last three months prior to the study. Exclusion Criteria: * Being between 18 and 35 years old, * Having done resistance training for less than a year, * Smoking and drinking alcohol, * Taking regular medication, * Having an allergy to soy protein, * Having a psychiatric illness, * Being female
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Bitlis Eren Üniversites
Bitlis, 13000, Turkey (Türkiye)