Functions:
- strong bones and teeth
Sources:
- fortified milk
- eggs
- liver
- made by the body from sunlight
Deficiency (Not enough):
- bones disorders such as missshapen bones (in children), soft bones (in adults), and spontaneous bone fractures
Toxicity (Too much):
- kidney stones
- calcium deposits in soft tissue
- fatigue
Daily Allowances:
- 400IU
