What is Creatine Creatine is an amino acid found in meat and fish and can be purchased as a dietary supplement. It is one of the most popular dietary supplements for people who want to build muscle and improve their strength. Creatine can also help athletes who require short bursts of speed and increased muscle strength, such as sprinters, weightlifters and team athletes. As one of the best studied dietary supplements, creatine has been shown to have several benefits for athletic performance and health. In this article, I will discuss several benefits of creatine May increase muscle size and strength According to the Journal of the International Society of Sports Nutrition , creatine is the most effective supplement for increasing lean muscle mass through exercise. Creatine supplementation allows athletes to work more during reps or sprints, leading to greater gains in strength, muscle mass and performance. Furthe...