Unraveling the Formation Mechanisms of Trimethylamine N Oxide and Its Inhibition by Food Ingredients: Toward Cardioprotective Food Development Journal of Agricultural and Food Chemistry Carnitine and Acetyl L Carnitine. Differences, functions and method of use Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link