It is a substance that is necessary for the proper development and functioning of the body, vitamin D allows the body to absorb calcium (the main compound that makes up bones), which allows bones to remain strong, a deficit of This vitamin in the body can cause bones to develop with a weak, thin and brittle structure.
Not only the bones require this vitamin, because the muscles also need it for their correct movement, in the immune system it is used to help eliminate all those bacteria or viruses that attack it, while in the nervous system it is used to facilitate the transmission of the messages emitted by the brain to the different areas of the body. All of this shows that vitamin D is present in cells throughout the body.
This compound is produced by the body naturally, this happens when the skin is exposed directly to the sun, satisfying some of the vitamin D requirements, but in order to satisfy the total needs of the vitamin it is necessary to resort to other sources such as food, although in this case there are not many that have it naturally, there are foods such as fish with high fat content, such as tuna and salmon can provide large quantities, also cheese, beef liver and egg yolks supply it but in less quantity. Because only a small part of the food we eat contains this compound naturally, that is why fortification with vitamin D has been implemented over time, such is the case of milk and some cereals to which which is added this vitamin. Vitamin supplements have become another option to meet the need for the vitamin.
Despite being beneficial for the body, its excessive intake can cause the intestine to absorb extra calcium, which can raise its levels in the blood and consequently can cause kidney damage, stones in them, they can also be form calcium deposits, in the lungs and heart, constipation, weakness, disorientation, nausea and vomiting.
