Creatine continues to be one of the most popular supplements for exercise enthusiasts.
The first step toward making an informed choice is to find out as much as you can about a product. Research on creatine is far from complete, but scientific evidence on using it keeps growing. To gain a better perspective on creatine use, leading exercise physiology experts William J. Kraemer, PhD, and Jeff Volek, MS, RD, of Ball State University in Muncie, Indiana, provide answers to the following common questions. Creatine is an energy-producing substance naturally manufactured by the liver, pancreas and kidney from amino acids. Creatine is also obtained through food sources, primarily meats and fish.