Caffeine (caffeine) is one of the oldest stimulants used by humans and owes its word origin to coffee. The exact name is 1,3,7- trimethyl-2,6-purindione. It is contained in tea, coffee and cola, among others, and has a stimulating effect on the cerebral cortex.
Caffeine is a white powder and was first extracted from coffee in 1820. However, the exact effect of caffeine was not researched in detail until the 20th century. The active ingredient contained in black tea, Teein, is also a caffeine.
According to current doping regulations, caffeine is permitted up to a urine concentration of 12 μg caffeine/ml urine. Athletes with a low body weight achieve this value by taking 2 cups of strong coffee. The recommendation not to exceed two cups on competition day is therefore obvious.
Here you will find detailed information on the subject of dopingCaffeine reduces symptoms of fatigue, increases the ability to think and improves memory. The intake of caffeine increases the concentration of free fatty acids in the blood and thus increases the fat metabolism. The increase in muscle strength is suspected, but could not be scientifically proven. In endurance sports, the test subjects were able to run significantly longer.
Other effects
In addition to the above-mentioned functions, taking caffeine has the following effects:
- Increase of heart rate (at increased dose)
- High blood pressure (at increased dose)
- Bronchial dilatation (at increased dose)
- Stimulation of the cardiovascular system (at increased dose)
- Bowel Stimulation
- Stimulation of the respiratory center (at increased dose)