Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health L carnitine: Health Benefits, Side Effects, Uses, Dose & Precautions Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications L Carnitine