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 Assembling the anaerobic gamma butyrobetaine to TMA metabolic pathway in Escherichia fergusonii and confirming its role in TMA production from dietary L carnitine in murine models mBio Dietary supplementation of l carnitine ameliorates metabolic syndrome independent of trimethylamine N oxide produced by gut microbes in high fat diet induced obese mice Food & Function (RSC Publishing) Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut