BODYDATA
Research
Study type: Meta-analysisConfidence: Moderate

Caffeine ingestion improves muscular strength and power (meta-analysis)

Grgic J, et al.

Year2018
Sample sizen=149
JournalJournal of the International Society of Sports Nutrition
AuthorsGrgic J, et al.

Evidence is still building up

Summary

Summary

Pooling RCTs, caffeine produced small but significant improvements in maximal strength and power. Effect sizes were modest and influenced by individual variation and tolerance.

Source (read the original)

View source

DOI: 10.1186/s12970-018-0216-0

Key Findings

Key findings

  • 1

    Small gains in maximal strength and power

  • 2

    Effects seen around 3–6 mg/kg body weight

  • 3

    Habitual use may blunt the effect via tolerance

Related supplements

PR
Caffeine

Small gains in maximal strength and power

View in official store

The links below include affiliate links (PR).

Last checked: 2026-06-18