Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine TMAO biosynthesis. L carnitine and choline are derived from the diet Download Scientific Diagram Gut Microbiome Derived Metabolite Trimethylamine N Oxide Induces Aortic Stiffening and Increases Systolic Blood Pressure With Aging in Mice and Humans Hypertension View of The origin of trimethylamine N oxide (TMAO) and its role in development of atherosclerosis Journal of Food Bioactives