FITITIN Blog — redcon1 athlete

Caffeine is one of the most commonly used (and abused) substances on the market, especially in the world of fitness. So what is it? Caffeine is a methylxanthine, a substance found naturally in things such as cocoa and teas. Methylxanthines block adenosine and inhibit phosphodiesterase within the body. Adenosine blocks stimulation in the body, in essence, it is the "dam" or the "brakes" of the central nervous system while Phosphodiesterase is an enzyme that breaks down the messenger protein cAMP within the cell. What cAMP does is it helps to transfer signals within the cells and when not broken down,...