Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications 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 The Role of Lipids and Lipoproteins in Atherosclerosis Endotext NCBI Bookshelf Cardiovascular Health Integrative Overview Life Extension New Way Red Meats and Eggs Promote Atherosclerosis Food and Health Communications