NICApur Vitamin D3 10.000 - 60 capsulesYour strong sun vitamin For a long time, vitamin D was considered a pure bone vitamin. In recent years, however, it has been shown that vitamin D influences and regulates many other functions in the body. Vitamin D supports the normal function of the immune system, is important for muscle function, for bones and for maintaining normal blood calcium levels. Vitamin D is not only ingested with food, but can also be produced in the skin with the help of