Most people talk about carnitine like it is one supplement. It is not. Acetyl L carnitine and L carnitine L tartrate do different jobs, and picking the wrong one for the wrong goal is where people Frontiers Role of Carnitine in Non alcoholic Fatty Liver Disease and Other Related Diseases: An Update L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute L Carnitine Side Effects & Safety: A Complete Guide The Science of Good Health L Carnitine Erectile Dysfunction: What the Evidence Actually Shows