The Study
Creatine monohydrate supplementation during eight weeks of progressive resistance training increases strength in as little as two weeks without reducing markers of muscle damage.
This study showed that guys who took creatine while lifting weights got stronger faster than guys who took a fake pill. But it doesn't prove creatine works for everyone — just these 18 young men. It's like saying 'this snack helped these 5 kids run faster' — it might help others, but we don't know for sure.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Taking creatine while lifting weights helps you lift heavier faster, but it doesn't protect your muscles—it actually makes them more sore.
Where does this study sit?
Systematic Reviews & Meta-analyses
Max 100Randomized Trials
Max 90Cohort Studies
Max 72Case-Control
Max 58Cross-Sectional
Max 44Case Reports & Series
Max 30Expert Opinion
Max 553 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes—getting stronger faster with more muscle soreness means creatine lets you train harder, which may help build more muscle over time.
- 2After 2 weeks, creatine users got stronger on 3 exercises; after 8 weeks, they got stronger on 4 exercises.
- 3Muscle damage markers were higher in creatine users than placebo users.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
The Journal of sports medicine and physical fitness
Year
2019
Authors
M. Kaviani, A. Abassi, P. Chilibeck
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.