View of The origin of trimethylamine N oxide (TMAO) and its role in development of atherosclerosis Journal of Food Bioactives Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Simultaneous quantification of trimethylamine oxide and its precursors from gut microbial metabolic pathway