Creatine is a substance produced by our body (mainly in the liver, kidneys and pancreas) from three amino acids: glycine, arginine and methionine. This substance is secreted into the bloodstream and distributed to the various cells of the body. Due to its functions in the body, creatine is one of the most used supplements among athletes. In fact, it has been shown that consuming 3 grams of creatine improves physical performance in successive series of short, high-intensity exercises