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Caffeine is a well-known ergogenic aid and is used widely in the world of sports nutrition due to it’s safety and efficacy in enhancing exercise performance, including short-distance events.   

There are various ways in which caffeine may improve exercise performance in short-distance events.  The main effect is likely to be achieved via impact on the Central Nervous System (CNS).  This impact may reduce the perception of effort, making exercise seem ‘easier’.  Other potential benefits of caffeine include increased alertness/concentration, improved endurance, and reduced fatigue.

By Aly Dixon, English Olympian, two-time British marathon champion, 50km World Champion and 50km World Record holder.