Do energy drinks contain caffeine?
Typically, yes, energy drinks contain caffeine. Some also contain taurine and guarana, a natural source of caffeine. Energy drinks do not hydrate the brain and body and therefore should not be confused with sports drinks. It is important to read labels before purchasing energy drinks. Both the caffeine and sugar content of energy drinks can be very high. Some actually contain more caffeine and sugar than do soft drinks. Caffeine studies done in Australia have recommended that children and pregnant women should avoid drinking energy drinks. Studies in Japan showed that caffeine supplementation provided more explosive acceleration to sprinters in the early stage of a 100-meter race but not in the last 40 meters. You might want to check the rules of your particular sporting code to make sure caffeine is not a restricted drug for the sport you play.
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