HPLC & LC-MS/MS
High-performance liquid chromatography with DAD, FLD or tandem mass spectrometry enables analyte-specific quantification of individual vitamin forms.
LC-MS/MS provides unambiguous identification and quantification at trace levels – essential for native vitamin D₃, K isomer differentiation (MK-4/MK-7), biotin and folate in complex or low-concentration matrices.







