With the help of vitamin D, calcium is produced in the body, which is necessary to strengthen the bones. In his absence, the bones become weak and can break. The main function of vitamin D is calcium in our body.
Vitamin D is a nutrient from sunlight, and when sunlight is unavailable (in sufficient quantity), it begins to lack in the body. To overcome his deficiency, it is recommended to take vitamin D pills. However, the vitamin D requirement varies from person to person and also depends on different ethnic groups. A study published in the Journal of Metabolism, Clinical and Experimental showed that people with less than 20 nanograms per milliliter of blood have a vitamin D deficiency in their bodies. All laboratories are now implementing efforts and better tests are being carried out to improve the results of the various laboratories than before.
Returning to vitamin D, its main function is to absorb calcium in our body.
Vitamin D deficiency
Vitamin D deficiency may inhibit the development of the skeletal system and trigger rickets (a disease) children. In addition, vitamin D deficiency in adults also increases the risk of fractures and osteoporosis. In order to prevent rickets, calcium intake is necessary, but for better results, it is also important to take vitamin D with you.
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Taking these supplements may be of great benefit to the elderly (adults). It also improves:
- the immune system
- cancer and
- the heart health
But beware, its intake in large quantities is also harmful to the body as it increases the risk of bone fractures.  Intake of Vitamin D
According to the National Academy of Medicine, should be the daily intake of vitamin D:
- 400 IU for toddlers
- 600 IU for individuals aged 1 to 70 years
- 800 IU for people over 70 years
Some studies have shown that regular intake of vitamin D leads to lower mortality, and experts believe that taking very good (beneficial) for the immune system, cancer and the heart health is.  Research
According to researcher Christakos, there are still some benefits of vitamin D supplementation that still need to be demonstrated. However, he also stated that no studies discriminated between people with vitamin D deficiency or adequate levels.
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