Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect Butyrobetaine Is a Proatherogenic Intermediate in Gut Microbial Metabolism of L Carnitine to TMAO ScienceDirect Identification of Polymethoxyflavones (PMFs) from Orange Peel and Their Inhibitory Effects on the Formation of Trimethylamine (TMA) and Trimethylamine N oxide (TMAO) Using cntA B and cutC D Enzymes and Molecular Docking Journal of Agricultural