TMAO is a byproduct formed by gut bacteria digesting nutrients found in red meat, eggs and other animal products. New research finds high levels of TMAO in the blood predicts the future Scientists make breakthrough in studying the enzyme involved in fish odor syndrome TMAO: how gut microbiota contributes to heart failure Translational Research Frontiers The role of trimethylamine N oxide in disease pathogenesis and the therapeutic potential of traditional Chinese medicine Effect of dietary fiber on trimethylamine N oxide production after beef consumption and on gut microbiota: MEATMARK a randomized cross over study European Journal of Clinical Nutrition The role of FMO3 in metabolic diseases