Vitamin D is an essential nutritional supplement for the body.
Vitamin D plays fundamental roles for the body. It facilitates the absorption of calcium by the body helping in the healthy development of bones and teeth and also strengthening the immune system and its benefits related to various studies of various types of diseases, from prostate breast cancer and autoimmune diseases, including multiple sclerosis, rheumatoid arthritis, diabetes type 1 and Systemic Lupus Eritematosus (SLE or just lupus).
When we talk about vitamin D and autoimmune, we need to understand that each organism is unique. That is, each person should seek medical and nutritional monitoring in order to avoid inconvenience because of some need for nutrients.
Where to find
[caption id="attachment_106" align="alignnone" width="1080"] Vitamin D Food[/caption]

Vitamin D is absorbed through exposure to the sun and food.
According to experts the recommended time for sunbathing is at least 15 minutes to one hour, between 11 am and 4:30 pm, but prolonged exposure to the sun should be avoided in the hottest periods of the day, which are between midday and 3 pm.
The alternative is to obtain the nutrient through some foods such as cod liver oil, egg yolk, fish, seafood and milk and derivatives however they do not provide the required daily amount.
Because of the routine of large urban centers, the number of people with vitamin D deficiency increases every day and when there is no absorption of healthy levels it is necessary to make the supplementation. The amount varies according to age and the degree of vitamin deficiency - children and pregnant women supplement vitamin D with medical advice.
Daily need for vitamin D
The amount required varies according to age:

Children up to 1 year: 10 mcg;
Children over 1 year and adults: 15 mcg;
Elderly people over 70 years old: 20 mcg;
Pregnant women: 15 mcg.

Thus, even with a balanced diet it is difficult to meet these needs, and when sun exposure is not possible, supplementation is generally recommended in capsules.
Vitamin D deficiency
Vitamin D deficiency can be identified by a blood test. Some of the symptoms and problems that result from this deficiency are: muscular pain and weakness, decreased calcium and phosphorus in the blood, weakening of the Osteomalaceous bones (rickets) in children and Osteoporosis in the elderly. Consumption is also essential for pregnant women, and the scarcity may lead to abortions in the first trimester. Already at the end of pregnancy, insufficient nutrients can lead to pre-eclampsia and increase the chances of the child being autistic.

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