Creatine is an amino acid that promotes lean body mass and supports increases in muscle endurance muscle capacity and power output*. Creatine helps the cells of the body more efficiently create energy thus benefiting exercise capacity. Although creatine is known for its muscle-enhancing benefits it has also been shown to support cognitive function*. Creatine is among the most well-researched and effective supplements. It can help with exercise performance by rapidly producing energy during intense activity. Certified Creapure - German Micronized Creatine Monohydrate