Carnitine: the claims and why it may not work Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions 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 L Carnitine Supplement: Heart Concerns Advanced Molecular Labs