The vitamin D is synthesized naturally by exposure of the skin to solar UVB rays and without exposure to the sun, deficiencies can appear, especially if the confinement is prolonged.
However, if vitamin D is well known for its action on the bone system, it also has interesting properties on the immune system.
► Vitamin D could protect from acute infections of the respiratory tract: explanations.
► Two professors from CHU de Liège give their opinions on the benefits of it.
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