Creatine  is one of the most researched and effective sports supplements  for enhancing strength, power, and muscle performance. It’s widely used by athletes, bodybuilders, and gym-goers to improve training results — and it’s backed by decades of scientific studies. What Is Creatine? Creatine is a natural compound found in your muscles and produced by your body. It helps create ATP , the main source of energy used during: Weightlifting Sprinting High-intensity training Explos