TMAO: The Gut Metabolite Linking Red Meat to Cardiovascular Disease Gut Microbiota and Ischemic Stroke: The Role of Trimethylamine N Oxide 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, Acetyl L Carnitine Supplement Allergy Research Group Full article: Trimethylamine N oxide formation, the bacterial taxa involved and intervention strategies to reduce its concentration in the human body