Harvard Health, having sufficient levels of vitamins in your body lets you absorb about 30% to 40% of dietary calcium. But if you lack the required vitamin reserves, your body settles for only 10% to 15% total absorption. It is one of the essential micronutrients that help strengthen your immunity against harmful diseases and viruses so it’s essential that you get enough vitamin D daily to help boost your immunity. Other benefits of vitamin D to your health include:
- Vitamin D and your health: Breaking old rules, raising new hopes
Vitamin D - Consumer
Vitamin D - Health Professional/
The Important Role of Vitamin D
Vitamin D Deficiency
Your Guide to Vitamin D Benefits
Vitamin D helps regulate the amount of calcium and phosphate in the body.
Nutrients
At what time should one go out in the sun?



