Creatine: Explained This will explain the actual use of creatine supplements and debunk the myths and misconceptions that are associated with its use. Creatine is a naturally occurring organic acid that supplies energy to cells in the body. It becomes phosphorylated via creatine kinase, an enzyme that produces phosphocreatine (CP). Phosphocreatine is the necessary compound that is utilized for energy during muscular contraction. The question is how is it utilized? The main fu