Cognitive function in sport
The effect of caffeine on cognitive function is an interesting aspect of sports performance given that alertness and concentration are key aspects of many sporting skills. A systematic review of 13 studies suggested that a low/moderate dose of caffeine (around 3mg/kg to 6mg/kg) before and/or during exercise can improve self-reported energy, mood, and cognitive functions, such as attention; it may also improve simple reaction time, choice reaction time, memory, or fatigue, however, this may depend on the research protocols41.
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