25-Hydroxyvitamin D (25(OH)D)

  • Known as calcidiol or calcifediol
  • The main metabolite(s) assessed by Vitamin D Project - Test
  • Two forms exist; 25(OH)D2 and 25(OH)D3
  • Formed by hydroxylation of Vitamin D2 and Vitamin D3 in the liver

(7.11)