Hormonal
Ingestion of 6 mg/kg body mass of caffeine 60 minutes before simulated soccer activity significantly improves passing accuracy and functional leg power (jump height) without negatively affecting sprint performance or causing detrimental physiological effects.
If you are a soccer player, taking 6 mg of caffeine per kg of body weight about an hour before a match or training session can improve your passing accuracy and jumping ability. For example, a 70 kg player would take 420 mg of caffeine. This dose does not appear to cause dehydration or negatively impact sprint speed, and it helps maintain skill performance under fatigue. Ensure you tolerate caffeine well beforehand, as individual responses vary.
Caffeine ingestion before simulated soccer activity improved players’ passing accuracy and jump performance without any detrimental effects on other performance parameters.
Why this rating
Randomized, double-blind, crossover design with a small but specific sample of trained athletes; statistically significant results for key outcomes.
Source
Caffeine Enhances Cognitive Function and Skill Performance during Simulated Soccer Activity
Andrew Foskett et al. · International Journal of Sport Nutrition and Exercise Metabolism · 2009
DOI 10.1123/ijsnem.19.4.410
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