Trimethylamine N oxide, The Important Therapeutic Target for Heart Failure Dietary urbanization destabilizes host gut microbiome homeostasis and informs precision nutrition for human health: Cell Metabolism PDF) Risk assessment of "other substances" L Carnitine and L Carnitine L tartrate Opinion of the Panel on Food Additives, Flavourings, Processing Aids, Materials in Contact with Food and Cosmetics of the Norwegian Scientific Committee for Food New study links L carnitine in red meat to heart disease Harvard Health