Cholecalciferol, also known as vitamin D3, is a type of vitamin D produced by the skin in response to UVB exposure (sunlight). It can also be found in certain foods and taken as a dietary supplement.
It’s most commonly used to treat vitamin D deficiency or associated disorders like rickets or osteomalacia.
Some individuals who may be at a higher risk of vitamin D deficiency
- Older adults
- Breastfed babies
- People with darker skin
- Obese individuals (or those who’ve had gastric bypass surgery)
- People with conditions such as cystic fibrosis, Crohn’s disease, or liver disease
Food Sources include:
- oily fish – such as salmon, sardines, herring, and mackerel
- red meat
- egg yolks
- fortified foods – such as some fat spreads and breakfast cereals
Vitamin D deficiency may lead to:
- Bone pain.
- Muscle weakness, muscle aches, or muscle cramps.
- Mood changes, like depression.
Too much calcium will build up in the body if you take too many vitamin D supplements over a long period of time. This can cause bone deterioration as well as kidney and heart damage.« Back to Glossary Index