While you are still young, the intake of vitamin D may very well affect the body in the long run. The results of a study conducted by the University of Zurich confirmed that consistent intake of sufficient amounts of vitamin D is more than necessary for the bone health.

it is quite difficult to take vitamin D in sufficient amounts, same as some other vitamins, so you should often be more careful about the food you eat.

Butter, milk, sea fish, egg yolks and other foods are rich in vitamin D. If you notice at least 2 of these symptoms, keep these foods more often on your table.

Do I have vitamin D deficiency?

The best way to find out whether there is a vitamin D deficiency is a simple blood test that measures the level of the vitamin found in the blood. You can ask your doctor to do such a test or buy a home test kit and do the test by yourself.

However, you certainly have a vitamin D deficiency if you have any of these diseases, and you should consult your doctor for preventive and treatment options as soon as possible.

1. Influenza

A study published in the Cambridge journal claims that vitamin D deficiency predisposes children to respiratory diseases and vice versa, it can reduce the incidence of such disease.

2. Muscle Weakness

According to Michael F. Holick, a leading vitamin D expert, muscle weakness is usually caused by a vitamin D deficiency, because high vitamin D level is essential for proper function of the skeletal muscles.

So if you feel muscle weakness, and you do not exercise or you are not physically active, then your muscles and tissue most probably lack vitamin D.

3. Psoriasis

The study published by the UK PubMed Central showed that synthetic analogues of vitamin D are efficient in the treatment of psoriasis.