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The Study

Impact of creatine supplementation on inflammation: evidence from a systematic review and meta-analysis of randomized double-blind placebo trials

In simple terms

This study looked at lots of experiments where people took creatine or a fake pill and measured their body’s inflammation. It found that creatine didn’t make the common inflammation markers go down — but it might help after super hard workouts, we just couldn’t be sure because not enough studies measured that.

58%

Analysis score

58/ 100

Maximum 100 for a systematic review with meta-analysis.

Where the score came from

Reporting0
Methodology38
Publication100
Statistical100
Study type (basis of the score)
Systematic Review with Meta-Analysis
Level 1a - Systematic review of RCTs
What’s the bottom line?

Creatine helps muscles work harder, but doesn't generally reduce body-wide inflammation — except maybe right after super hard races.

Where does this study sit?

Systematic Reviews & Meta-analyses

Max 100

Randomized Trials

Max 90

Cohort Studies

Max 72

Case-Control

Max 58

Cross-Sectional

Max 44

Case Reports & Series

Max 30

Expert Opinion

Max 5
StrongerWeaker
Systematic Reviews & Meta-analyses
Level 1a
58

58 / 100

Quality score

The highest quality evidence. These studies systematically search, appraise, and synthesize results from multiple individual studies, providing the most reliable summary of current knowledge.

Can establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

  1. 1The big drop after races is short-lived and doesn't help with everyday inflammation from aging or arthritis.
  2. 2After a 30-km race: TNF-α dropped 33.7%, PGE2 dropped 60.9%.
  3. 3For other cases: no change in CRP, IL-6, or muscle damage markers.

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

Publication

Journal

Frontiers in Immunology

Year

2026

Authors

Kell Mazzini Ribeiro de Camargo, Alejandro Bruna-Mejías, J. Valenzuela-Fuenzalida, L. A. Gonzaga, S. Barbalho, Alexandre L. Barroca, A. A. Porto, R. D. Raimundo, L. D. de Abreu, V. E. Valenti

Open Access
Analysis v3
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.