Biogenic Amines & Neuroscience CatecholaminesPlasma and UrineVarious biological samples Metanephrine, NormetanephrinePlasmaUrine SerotoninSerum, UrineVarious biological samples HistaminePlasma and UrineHistamine ReleaseVarious biological samplesFood Safety MelatoninSerum and PlasmaSaliva 5-HIAAUrine TryptophanUrine, Serum and Plasma GABAUrine GlutamateUrine KynurenineSerum and Plasma