L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage Could a mitochondrial metabolite known as acetyl L carnitine (LAC) yield a new biomarker for depression and potential new therapies? Dr. Carla Nasca, an @nyugrossman assistant professor of psychiatry and of neuroscience and physiology, TMAO: The Gut Metabolite Linking Red Meat to Cardiovascular Disease Gut Microbiota and Ischemic Stroke: The Role of Trimethylamine N Oxide Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut