Calcidiol

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Calcidiol, aka calcifediol, 25-Hydroxycholecalciferol, or 25–hydroxy–vitamin D, is a prehormone which is produced by the metabolism of vitamin D3 (cholecalciferol) and which is converted by the kidneys into calcitriol (1,25-vitamin D), a steroid hormone.

In medicine, bloodstream concentration of calcidiol is commonly used to measure overall Vitamin D levels. Calcifediol promotes the mineralization of bones and teeth and is used to treat diseases caused by Vitamin D deficiency such as rickets and osteomalacia. It is effective even in azotemic patients[citation needed].

[edit] References

  • Dietary Reference intakes for Calcium, Phosphorus, Magnesium, Vitamin D and Fluoride. Institute of Medicine, 1997
  • Vitamin D Pharmacology at VitaminDPharmacouncil.com
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