Optimal DX FYI: Gut Microbes Increase TMAO Simultaneous quantification of trimethylamine oxide and its precursors from gut microbial metabolic pathway Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Taking a Closer Look at TMAO Dr. Radoff Trimethylamine N Oxide, More Red Meat for the Vascular Scientists Hypertension