What it means
The body turns it into active vitamin D in the liver and kidneys. Active vitamin D helps the gut absorb calcium and keeps bones strong. Supplements are used to prevent and treat vitamin D deficiency and with calcium for osteoporosisos-tee-oh-puh-ROH-sisA condition in which bones lose density and become thin, weak and easy to break.oste/o bonepor/o pore, small opening-osis abnormal conditionFull entry . Breastfed infants are usually given vitamin D drops. Very high doses over time can raise the blood calcium too high.
For the nurse
Teach clients to take it with a meal that contains some fat for better absorption, and not to take more than recommended. Older adults, people with dark skin, those who get little sun and people with malabsorption are at higher risk of deficiency.
At a glance
| Drug class | vitamin (fat-soluble) |
|---|---|
| Spanish | colecalciferol |
| Also written | vitamin D3 |
Related terms
calcium
A mineral that builds bones and teeth and that nerves, muscles, the heart and blood clotting need to work.
osteoporosis
A condition in which bones lose density and become thin, weak and easy to break.
vitamin
A substance the body needs in small amounts for normal growth and function, mostly from food.
calcium carbonate
A calcium salt taken by mouth as an antacid for heartburn and as a calcium supplement.