Creatine is an amino acid that people typically consume in powder form mixed with water. A well-established supplement since 1985, its use has been endorsed by the American College of Sports ...

Medically reviewed by Mary Choy, PharmD Creatine is a nonessential amino acid produced in the body from other amino acids. It ...

How Creatine Provides Energetic Support to the Brain At its core, creatine is an amino acid-derived compound naturally produced in your liver, kidneys, and pancreas. The molecule is also found in ...