Vitamin D3 is a unique biological substance involved in the functioning of all organs and systems of the human body, but its main function is to participate in the metabolism of calcium and phosphorus. Without it, calcium is not absorbed properly and can settle and accumulate on the walls of blood vessels and in the form of kidney stones. This vitamin is also necessary for the proper functioning of the hormonal and immune systems.
Normally, a person receives Vitamin D3 with food, and also produces it independently under the influence of ultraviolet light. However, it is contained in insufficient amounts in food, in addition, with an unbalanced diet (for example, during a diet), chronic diseases or contraindications to sunbathing, additional intake of vitamin D3 is becoming increasingly necessary for the recovery of the body, especially for residents of large cities