Caffeine ingestion acutely enhances muscular strength and power but not muscular endurance in resistance‐trained men

Caffeine ingestion at 6 mg/kg improved 1RM back squat performance by 2.8% in resistance-trained men.

• Caffeine intake was associated with a reduced rate of perceived exertion (RPE) by 7% during resistance exercises.
• Seated medicine ball throw performance increased by 4.3% following caffeine ingestion.
• No significant improvements were observed in 1RM bench press performance with caffeine.
• Pain perception related to the bench press exercise significantly decreased when caffeine was consumed.
• The findings suggest that caffeine may enhance lower-body strength and power without affecting muscular endurance.

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