Biowell Nutrition

What causes vitamin D deficiency? Why do I need vitamin D and how do I get it?

✓ You don't get enough vitamin D in your diet
✓ You don't absorb enough vitamin D from food (a malabsorption problem)
✓ You don't get enough exposure to sunlight
✓ Your liver or kidneys cannot convert vitamin D to its active form in the body
✓ You take medicines that interfere with your body's ability to convert or absorb
vitamin D

Vitamin D helps your body absorb calcium. Calcium is one of the main building blocks of bone. Vitamin D also has a role in your nervous, muscle, and immune systems.

You can get vitamin D in three ways: through your skin, from your diet, and from supplements. Your body forms vitamin D naturally after exposure to sunlight. But too much sun exposure can lead to skin aging and skin cancer, so many people try to get their vitamin D from other sources.