Marked elevation in plasma trimethylamine N oxide (TMAO) in patients with mitochondrial disorders treated with oral l carnitine ScienceDirect Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Study reveals how red meat harms the heart. A species of gut bacteria, more abundant in red meat eaters, is key in turning a dietary nutrient called carnitine into TMAO which promotes blood clotting I take L Carnitine for weight loss, it says not to take more then 1g per day, but I read online that i should have 2 4g per day to lose weight. What is