Caffeine is often used by athletes to increase physical performance, but this substance also stimulates the brain, increases the concentration of attention and clarity of the mind.
There are more than 74 scientific research engaged in the study of caffeine and its influence on increasing the physical endurance of athletes. Most of them have proved that caffeine leads to an increase in performance, thanks to this substance, serious stresses seemed easier.
Studies also showed that each person reacts to caffeine differently. Not for every departure caffeine can become doping. This is problematic for athletes who do not tolerate coffee and other similar drinks. Athletes who used coffee, despite their unwillingness, often felt nausea. Caffeine consumed by athletes before competitions often led to increased internal anxiety.
Thanks to the industry, caffeine is already contained not only in coffee and tea. Here is a list of common caffein -containing drinks and the amount of caffeine contained in it: • Cola – 30 mg.
• espresso – 40 mg.
• Pepsi – 45 mg.
• Red Bul – 80 mg.
• Starbuck – 200 mg.