also known as 25-Hydroxyvitamin D3+25-Hydroxyvitamin D2/24,25-dihydroxyvitamin D3+24,25-dihydroxyvitamin D2 in Serum or Plasma
The Vitamin D 25-Hydroxy (D2+D3 Fractionated) Blood Test, LC/MS-MS, measures both vitamin D2 and D3 levels in your blood to help diagnose deficiencies or imbalances that can affect bone health