… The vitamin D endocrine … vitamin D hormone, 1,25-dihydroxyvitamin D [1,25-(OH) 2 D], can
now be better evaluated by critical analysis of mice with engineered deletion of the vitamin D …

… , vitamin D (D represents either or both vitamin D 2 and vitamin D 3 ) is metabolized by
the vitamin D-25-hydroxylase (CYP2R1) in the liver to 25-hydroxyvitamin D [25(OH)D]. 25(OH)…

… promising alternative for calcitriol, and new pathways activated by vitamin D and its analogs
broadened our knowledge concerning the role of vitamin D in human health and disease. …

… the major route to obtain vitamin D, accounting for 90% of vitamin D replenishment.
Cholecalciferol (vitamin D3) is from animal sources and ergocalciferol (vitamin D2) is from plants. …

… In conclusion, the evidence we have for vitamin D in human health is exciting, however we
… to improve the vitamin D status to the levels required to be beneficial for human health. In …

… vitamin D (ie, hypovitaminosis D; serum levels below 30 ng/mL). In vitamin D inadequacy,
human … In humans, 80% of the vitamin D is synthesized in the presence of ultraviolet rays from …

… As the function of vitamin D in each of these areas of human health is a subject in its own
right, the current review will focus specifically on another prominent nonclassical action of …

… studies regarding the nonskeletal health benefits of vitamin D. This review was … : vitamin
D and supplementation) and focuses on recent challenges regarding the definition of vitamin D …

… vitamin D status is to use oral dosing of native vitamin D. (Both daily and intermittent regimens
work well.) Serum 25(OH)D … vitamin D each day. Recent data indicate that cholecalciferol (…

… on the importance of vitamin D in optimizing health and preventing disease. This … vitamin
D receptors are present in nearly every tissue and cell in the body and that adequate vitamin D …