Researchers from Turkey have found evidence of a that combining caffeine and taurine has synergistic effects on physical and cognitive performance. Their findings have been published in the journal Nutrients.
The motivation behind this study was to investigate the potential ergogenic effects of caffeine, taurine, and their combination on the performance of elite boxers. Elite athletes are always looking for ways to gain a competitive advantage, and supplements have become an integral part of their training regimen.
Taurine is a naturally occurring amino acid that plays several important roles in the body. Taurine is naturally present in some foods, particularly animal-based protein sources such as meat, fish, and dairy products. It is also available as a dietary supplement and is often included in energy drinks.
To conduct the study, twenty elite male boxer athletes were recruited. They participated in five testing sessions, which included a familiarization session and four experimental trials with different supplements: caffeine (6 mg/kg), taurine (3 g single dose), a combination of caffeine and taurine, and a placebo (300 mg maltodextrin). The participants were randomly assigned to different supplement groups in a double-blind, crossover design.
The researchers measured various parameters related to anaerobic power, balance, agility, and cognitive performance. The Wingate Anaerobic Test, which measures maximal anaerobic power, was performed on a specialized cycle ergometer. Blood lactate levels, rating of perceived exertion, balance, and agility were also assessed.
Cognitive performance was evaluated using the Stroop test, which is a well-known neuropsychological test. The Stroop test measures the interference effect between reading words and naming the ink color in which the words are printed. Participants are presented with color words (e.g., “red,” “green,” “blue”) written in different ink colors, and they are instructed to ignore the word and focus on naming the ink color as quickly and accurately as possible.
The results of the study showed that caffeine, taurine, and their combination had varying effects on different performance parameters. Taking caffeine and taurine together improved the boxers’ power output, which means they were able to generate more force during the Wingate test. It also made them feel less exhausted during the exercise.
When comparing the combined intake of caffeine and taurine to taking them separately, there were differences in power output and other performance measures. This suggests that combining caffeine and taurine may have a synergistic effect and be more effective than taking them individually. The combined intake of caffeine and taurine also improved the boxers’ balance and agility.
In tests that evaluated cognitive performance, the combined intake of caffeine and taurine improved the boxers’ reaction time compared to when they took taurine, caffeine, or a placebo alone. This means their ability to react quickly to stimuli was enhanced.
But neither caffeine nor taurine, when taken separately or together, had a significant effect on lactate levels. Lactate is a compound that builds up in the muscles during intense exercise.
The researchers concluded that the combined intake of caffeine and taurine was the most effective supplementation strategy for improving anaerobic strength, balance, agility, and cognitive performance in elite male boxers. However, it’s important to note that individual responses to these supplements may vary, and further research is needed to fully understand their effects on athletic performance. Additionally, further research is needed to fully understand the mechanisms behind the effects of caffeine and taurine on performance.
The study, “Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo Controlled Study“, was authored by by Murat Ozan, Yusuf Buzdagli, Cemre Didem Eyipina, Nurcan Kılıç Baygutalp, Neslihan Yüce, Furkan Oget, Emirhan Kan, and Fatih Baygutalp.