Dietary lecithin, choline, and L carnitine, which are abundant in red Download Scientific Diagram The Carnitine butyrobetaine trimethylamine N oxide pathway and its association with cardiovascular mortality in patients with carotid atherosclerosis Atherosclerosis Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect