Trimethylamine N Oxide in Aquatic Foods Journal of Agricultural and Food Chemistry Alimentos ricos en carnitina: Entendiendo la L carnitina y sus beneficios Loyal L Carnitina, las 4 funciones en el metabolismo Fatro Overview 2023 FSU iGEM Did You Know? Some people report a fishy smell after supplementing with L carnitine. This happens because certain gut bacteria convert carnitine to trimethylamine, a malodorous compound found in rotting fish.