What causes

vitamin D deficiency?

Vitamin D deficiency is one of the most common vitamin deficiencies and can have several causes. In contrast to most other vitamins we canno rely on our food to provide vitamin D. It is produced in the human body using the sun.

As many people don’t receive enough sun light the lack of sun is a major cause for this deficiency.


How do I recognize the symptoms of

vitamin D deficiency?

The symptoms of vitamin D deficiency include:

  • immunodeficiency
  • inefficiency
  • fatigue
  • osteoporosis
  • autoimmune diseases