TMAO: Why It Increases & Factors That May Reduce TMAO levels SelfDecode Labs Frontiers Gut Microbiota Dependent Marker TMAO in Promoting Cardiovascular Disease: Inflammation Mechanism, Clinical Prognostic, and Potential as a Therapeutic Target Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Differential effects of oral and intravenous L carnitine on serum lipids: is the microbiota the answer? Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect