Plasma trimethylamineNoxide following supplementation with vitamin D or D plus B vitamins Obeid 2017 Molecular Nutrition & Food Research Wiley Online Library Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Trimethylamine N Oxide (TMAO) as a Rising Star Metabolite: Implications for Human Health Oxidation of trimethylamine to trimethylamine N oxide facilitates high hydrostatic pressure tolerance in a generalist bacterial lineage Science Advances Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link