Creatine is a nitrogenous organic acid synthesized primarily in the liver and kidneys. It occurs naturally in vertebrates where it facilitates the recycling of adenosine triphosphate (ATP), the energy currency of the cell, primarily in muscle and brain tissue. Creatine also acts as a pH buffer in tissues. Creatine  is available in flavored powders  supplements , used by many to build body cell mass and to increase […]