Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine TMAO: Why It Increases & Factors That May Reduce TMAO levels SelfDecode Labs Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Full article: Gutheart axis: emerging therapies targeting trimethylamine N oxide production Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect