The Chemistry of Bad Smell Explained 1 Cadaverine Odor: Smell of decomposing dead bodies Chemical type: Diamine Formula idea: HN(CH)NH Source: Produced when proteins break down during decomposition Why it 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. L Carnitin (Carnipure) 2.000 mg pro Tagesdosis (4 Kapseln) 120 Kapseln von Unimedica, Nahrungsergnzungsmittel mit 500 mg reinem L Carnitin Narayana Verlag 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. Compounded Carnitine (L) Injection Empower Pharmacy What does L Carnitine taste like? (L Carnitine)