Vitamin D is a nutrient involved in calcium absorption, bone health, muscle function and immune function.
Sources
- Sun exposure
- Fatty fish
- Egg yolks
- Fortified foods
- Supplements when appropriate
Important
Sun exposure does not guarantee adequate vitamin D status for every person.
Factors such as skin characteristics, age, season, location and sun exposure affect vitamin D production.
Supplementation
Do not assume that everyone needs high-dose vitamin D.
Testing and professional advice may be appropriate when deficiency is suspected.
Important Safety Note
High-dose vitamin D supplementation can be harmful.
Do not use large doses without appropriate professional guidance.