L-Carnitine fumarate 120ct by Pure EncapsulationsWhat Is It? l Carnitine is an amino acid found abundantly in skeletal and heart muscle. It functions primarily to support fat utilization by acting as a carrier of fatty acids into the mitochondria, where they are oxidized and converted to energy. l Carnitine also facilitates the removal of short and medium chain fatty acids from the mitochondria that accumulate during normal metabolic processes. In studies, l carnitine has demonstrated the ability to