A study of platelet and endothelial function in 50 healthy young males found increased platelet aggregation and decreased endothelial function 1 hour after consumption of 250 mL of an unspecified energy drink containing caffeine 80 mg, taurine 1 g, glucuronolactone 600 mg, and B vitamins. Įnergy drinks that include taurine as an ingredient have also had detrimental effects reported, as have numerous case reports, often in patients with high consumption. Some experts suggest that caffeine is the likely ingredient responsible for enhanced physical or cognitive effects of energy drinks.
#RED BULL TAURINE DRIVER#
A recent study in which subjects were given coffee containing 80 mg of caffeine or decaffeinated coffee showed that caffeinated coffee improved driving performance and reduced driver sleepiness in simulated driving. A study sponsored by Red Bull found improved driving performance and reduced driver sleepiness compared with placebo in 24 healthy volunteers. Some studies showed modest improvements in endurance, but others found no effect. A 250-mL can of Red Bull contains taurine 1 g, caffeine 80 mg, glucuronolactone (a glucose metabolite) 600 mg, B vitamins, and is available with and without sugar. The studies were small (the largest had a sample size of 20), included athletes or physically active adults as subjects, and most commonly tested Red Bull against placebo. The increasing popularity of energy drinks, which typically include taurine, has prompted multiple studies about their effect on exercise. Some research suggests that taurine in combination with branched chain amino acids may reduce muscle soreness and muscle damage after high-intensity exercise. Caffeine, but not taurine, appeared to be responsible for improved cognitive performance.
Giles and colleagues compared the effects of caffeine 200 mg, taurine 2 g, a combination of these, and placebo on the cognitive performance of 48 habitual caffeine users. The influence of caffeine on these results was unclear. More recent research on taurine with caffeine showed that this combination restored performance of sleep-deprived surgeons on simulated laparoscopy, making them feel more alert but not reducing errors.
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