In the study 12 male athletes performed four endurance trials of various lengths. One trial allowed no hydration, with another consisting of consumption of an energy drink. The other two trials included low and high doses of Sustamine in energy drinks.
Participants were then given a reaction time test where they had to press buttons as quickly as possible when lit up with either a hand or foot. With no hydration, researchers found athletes’ reaction time was actually negatively affected while those taking Sustamine saw a noticeably higher number of correct hits.
For cognitive tests, participants were required to subtract the number 7 from a random four-digit number. The number of correct answers was recorded. Non-hydrated subjects had correct answers as high as 5.02; those that ingested Sustamine had correct answers as high as 5.96 to 7.3.
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