L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe What Is Carnitine and Why Is It Important? The Amino Company Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications L Carnitine Uses & Benefits Explained: A Complete Guide The Science of Good Health L Carnitine