(+)-alpha-tocopherol
(24R)-24,25-dihydroxycalciol
(R)-carnitine
+
calcidiol
calciol
+
calcipotriol
calcitriol
+
cyanocob(III)alamin
dihydrotachysterol
fat-soluble vitamin
+
folic acid
+
food
hydroxycalciol
+
nicotinic acid
+
paricalcitol
phylloquinone
+
phytosterol
vitamin D
+
Vitamin D is a group of fat-soluble prohormones, which can be obtained from sun exposure, food and supplements. Vitamin D is biologically inactive and converted to the biologically active calcicitriol via double hydroxylation in the body.
vitamin D2
+
vitamin D4
water-soluble vitamin
+
