Didn't another study show carnitine was good for the heart? Association between red meat consumption and the risk of cardiovascular disease: An important role of L carnitine metabolites Prevention Observatory of the Montreal Heart Institute L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe 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 Lcarnitine in metabolic dysfunction associated steatotic liver disease: mechanisms and therapeutic potential