Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Full article: Gut microbes with the gbu genes determine TMAO production from L carnitine intake and serve as a biomarker for precision nutrition The process of TMA TMAO's metabolism in human body. Food rich of Download Scientific Diagram L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage When to take L carnitine: Dosage, forms, and side effects