Breakthrough in studying the enzyme that ultimately produces fish odor syndrome EurekAlert! Frontiers A mixture of postbiotics tyndallized probiotics reduces trimethylamine (TMA) in trimethylaminuria models: Evidence from in vitro and in vivo studies Breakthrough in studying the enzyme that ultimately produces fish odour syndrome Carnitine C7H15NO3 CID 10917 PubChem Trimethylaminuria, or fish odour syndrome is an uncommon condition that causes an unpleasant, fishy smell. The body is unable to turn a strong smelling chemical called trimethylamine produced in the gut when