Simultaneous quantification of trimethylamine oxide and its precursors from gut microbial metabolic pathway The Carnitine butyrobetaine trimethylamine N oxide pathway and its association with cardiovascular mortality in patients with carotid atherosclerosis Atherosclerosis Association between red meat consumption and the risk of cardiovascular disease: An important role of L carnitine metabolites Prevention Observatory of the Montreal Heart Institute Trimethylamine N Oxide, More Red Meat for the Vascular Scientists Hypertension Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut