Indispensable for growth, because it helps to fix calcium on bones, vitamin D is not manufactured in sufficient quantities by the body. Supplements are sometimes necessary ... and, of course, good eating habits.
What is the role of vitamin D?
- Vitamin D is necessary for the absorption of calcium by the body and its fixation on the bones. It is the vitamin "antirachitism" par excellence, which participates in the normal development of the framework. As such, it is essential for growing children.
- It also plays an important role in many other biological phenomena, such as cell differentiation and immunity.
Where can we find vitamin D?
- Vitamin D is present in fish oilsincluding cod liver, herring, salmon and sardines, and to a lesser extent, in grains, eggs and livers of animals. Milk also contains a small amount. At present, some infant foods and common foods, including fresh milk products (milk and small Swiss), are fortified with vitamin D. On the other hand, there is virtually no vitamin D in the foods of vegetable origin.
- Most of vitamin D is provided by the skin, who makes it when the weather is nice. Solar radiation acts on the cells of the epidermis, causing a succession of chemical reactions. These are at the origin of the production of vitamin D.
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