The active form of vitamin D. Calcitriol is formed in the kidneys or made in the laboratory. It is used as a drug to increase calcium levels in the body in order to treat skeletal and tissue-related calcium deficiencies caused by kidney or thyroid disorders.

GoldBamboo

... CALCITRIOL (Rocaltrol®) is a man-made form of vitamin D. Vitamin D is necessary to maintain the right amount of calcium in the body for strong bones and teeth. Calcitriol helps your body keep the proper levels of calcium and phosphorus and maintain healthy bones. Generic calcitriol capsules are available. ...
Drug Digest - more...

Calcitriol Systematic (IUPAC) name (1R,3S)- 5-[2-[(1R,3aR,7aS)-1- ...
Wikipedia - [full article]

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