The consumption of caffeine one hour prior to
exercising could have an enhancing effect on performance, according to a new study from the
University of Queensland (UQ), Australia.
Dr Tina Skinner - a lecturer and exercise
physiologist at the institution's School of Human Movement Studies - led the research into links
between caffeine and athletic performance.
The study has found that it is the time in which caffeine enters the
body - and not the levels in the bloodstream - is a contributing factor to the drug's
Three randomised controlled trials were undertaken as part of the
research, which involved national level male rowers; competitive cyclists and triathletes; and
active healthy males.
Dr Skinner said: "We found that when caffeine is consumed following a
high-carbohydrate meal the amount of caffeine that enters the bloodstream is delayed and
concentrations reduced compared to when caffeine is consumed in a fasting state.
"It appears that it is the proximity of caffeine supplementation
timing to the commencement of endurance exercise, rather than the achievement of peak levels of
caffeine in the blood stream, that influences the performance-enhancing effects of