Where to find it.
Vitamin D is present in few foods but can be synthesized in the skin by action of sunlight. Its deficiency leads to osteoporosis and impaired immune system functioning.
With the reduction in time spent outdoors and use of sunscreen need to replenish our supply of this vitamin through food. Among the main sources of secreted fatty fish (e.g. salmon), eggs and dairy products.
It is also found in some plant foods, especially mushrooms, which supply so-called vitamin D2 or ergocalciferol. Instead, animal products contain the same form that is synthesized in the skin by action of ultraviolet light – vitamin D3. It is more natural, stable and efficient, has a high ability to resist changes in temperature and humidity, and often used in clinical trials.
How to avoid calcification?
The use of adequate doses of vitamin D contributes to the proper functioning of the immune system. However, it is important to remember that an excessive amount of due to the formation of calcium deposits in the soft tissues.
To avoid this, you can give preference to supplements that contain not only vitamin D3, but also K2. Although it was said that these vitamins must be taken separately, currently available evidence suggests that their simultaneous use is more efficient and also allows you to protect the health of the arteries, reducing calcification. Vitamin K2 allows you to take the calcium to bones and teeth, contributing to maximum utilization of vitamin D3.