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The Study

Effectiveness of a soccer injury prevention program based on creatine supplementation and internal load monitoring: a randomized controlled pilot study

In simple terms

This study looked at whether taking creatine might help soccer players get hurt less, but it only had 23 players and didn't find a clear difference. So we can't say creatine stops injuries, but we can say it might be linked to fewer injuries and definitely helped players jump higher and get stronger.

78%

Analysis score

78/ 90

Maximum 90 for a randomized controlled trial.

Where the score came from

Reporting40
Methodology70
Publication100
Statistical100
Study type (basis of the score)
Randomized Controlled Trial
Level 1b - Individual RCT
What’s the bottom line?

Soccer players took a daily supplement called creatine for 14 weeks to see if it made them stronger and less likely to get injured.

Where does this study sit?

Reviews of RCTs (Meta-analyses)

Max 100

Randomized Trials

Max 90

Reviews of Cohort Studies

Max 85

Cohort Studies

Max 72

Reviews of Case-Control Studies

Max 63

Case-Control Studies

Max 58

Cross-Sectional & Case Series

Max 50

Expert Opinion

Max 5
StrongerWeaker
Randomized Trials
Level 1b
78

78 / 100

Quality score

Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.

Cannot establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

  1. 1The strength and jump improvements are meaningful for athletes—better power can help with sprinting and changing direction.
  2. 2The injury reduction is promising but too small to be sure it wasn’t just luck.
  3. 3Players who took creatine jumped 0.6 cm higher and got stronger in their knees and hips.
  4. 4Only 1 out of 12 got injured (8.3%), compared to 4 out of 11 in the placebo group (36.4%).

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data

Publication

Journal

Journal of the International Society of Sports Nutrition

Year

2025

Authors

María Soler Hurtado, Moea Treguier, Ángel Gónzalez-de-la-Flor, Diego Domínguez-Balmaseda, María García-Arrabé, Diego Miñambres Martin, Guillermo García-Pérez-de-Sevilla

Open Access
Analysis v5
Fit Body Science verdict — we translate health studies into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.