Cleveland Clinic researchers have discovered a connection between elevated blood levels of TMAO (trimethylamine N oxide)a byproduct of gut bacteria digestion of nutrients found in red meat and other animal productsand a higher TMAO: how gut microbiota contributes to heart failure Translational Research Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect Cardiovascular Health Integrative Overview Life Extension