Research
Cellular
A 6 mg • kg -1 dose of caffeine does not show significant strength improvements compared to a placebo.
Lower doses of caffeine may not be effective for enhancing strength in resistance training.
StrongRefutesmedium confidence
Although a strength increase was found at CF2 compared to CF1, no other statistical differences were found.
Why this rating
Based on study design from abstract.
Source
Acute Effect of Different Doses of Caffeine on Strength and Calcium Release
Luís Henrique Boiko Ferreira et al. · Medicine & Science in Sports & Exercise · 2018
DOI 10.1249/01.mss.0000537064.86488.48
rct · n=13Cited 1×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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