L Carnitine for Weight Loss: Does It Really Work? Benefits, Dosage & Results The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions L Carnitine is not a magic fat burner It won't melt fat, build muscle, or replace hard work. The only thing it burns is your money Stick to the basics The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation