Vitamin C by HPLC

STM-1.14

Vitamin D by HPLC-UV

STM-1.3

Vitamin D by LC-MS

STM-1.4

Vitamin E by GC-FID

STM-1.5

Vitamin E by HPLC-UV

STM-1.6

Vitamin K by HPLC-Fluorescence

STM-1.8

Vitamin K by HPLC-UV

STM-1.7

Vitamin K2-MK7 by HPLC-UV or LC/MS

STM-1.10

Vitamins A, D, E and K by HPLC-UV

STM-1.42

Water Soluble Vitamins by LC-MS

STM-1.13

Water Soluble Vitamins by ion-pairing-HPLC

STM-1.11

Water soluble vitamins by buffer mobile phase HPLC-UV

STM-1.36