Taurine also regulates intracellular calcium within muscle like caffeine, giving this compound the capacity to augment muscle contractile force as well.Ĭombined Caffeine and Taurine Use Does Not Enhance Exercise Performanceīecause caffeine and taurine augment muscular contraction in a similar fashion, several studies looked at the ability of these two compounds, showing caffeine and taurine intake improved reaction time, alertness, upper body muscular power and aerobic and anaerobic performance, while a few other investigations failed to demonstrate improvements in sprinting ability 2, time to exhaustion 3 or enhance peak power. Taurine is a non-proteinaceous amino acid that augments a wide array of metabolic and physiological processes including osmoregulation, mitochondrial function and energy metabolism, making this compound a potentially formidable ergogenic aid. Thus, more calcium causes more actin and myosin interactions, which generates a stronger muscular contraction. Calcium permits the interaction between the muscle proteins actin and myosin required for muscular contraction. Greater cAMP levels also enhance muscular contraction force by increasing calcium levels within the muscle cell. An increase in cAMP activates several cellular signaling cascades that trigger the breakdown of fat (lypolysis) and glycogen (glycolysis) providing energy to the muscle while training. Caffeine can also improve exercise performance by directly increasing the cellular concentration of the molecule cyclic AMP (cAMP). Taurine and Caffeine Independently Strengthen Muscle ContractionĬaffeine is a regularly used performance-enhancing aid typically taken to stimulate the central nervous system, improving alertness and focus for a better workout. 1 The performance-enhancing effect from energy drinks is attributed to several ingredients found in these drinks including the all-important compounds caffeine and taurine. Indeed, energy drinks are one of the most popular supplements among athletes with approximately 73 percent of all collegiate athletes in the United States consuming them. The consumption of different energy drinks is widespread due to their supposed ability to boost energy and improve exercise performance.
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