The VitaD3tabs food supplement is isolated from lanolin, which is found in sheep's wool. Vitamin D contributes to the normal absorption, utilization of calcium and phosphorus, helps maintain optimal levels of calcium in the blood, has beneficial effects on maintaining healthy bones and teeth. It contributes to the proper functioning of muscles, participates in the process of cell division, important for the function of the immune system. It is needed for long-term lack of sunlight, suitable during the winter months, useful in areas with inversion and smog.