Creatine is a natural substance found in muscle cells that helps your body produce energy during high-intensity exercise. It’s also found in some foods, such as red meat, fish, and poultry.

Creatine is one of the most popular and well-studied sports supplements. It’s been shown to improve exercise performance, increase muscle mass, and reduce muscle soreness. Creatine is also safe for most people to take.

Creatine is generally safe for most people to take. However, it’s important to talk to your doctor before taking creatine, especially if you have any health conditions, such as kidney disease or diabetes.