L-Carnitine is a stimulant free fat metabolizer, that maximizes energy production, endurance, and performance by transporting fatty acids & nutrients to the cells. L-Carnitine also aids in reducing depletion of muscle glycogen, and muscle-tissue lactic acid build-up, allowing you to train longer and recover faster. 3DN L-Carnitine uses the clinically studied Acetyl form of L-Carnitine to formulate the best & most effective product.