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 Cheap protein = expensive gut problems. Here's what to look for on the label before you buy Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications