Vitamin D3 is necessary for the normal functioning of the thyroid gland, lowers cholesterol, stabilizes metabolism. It is designed to form bones, reduce colds and increase the level of serotonin - the hormone of happiness. It is recommended for fractures, as well as as a preventive measure for patients who rarely go outside. How to Take Vitamins Take 1 tablet at any time of the day. Drink enough water. Do not exceed the stated dosage. Consult a doctor before taking it. The duration of reception is 4-6 weeks, repeat if necessary. Contraindications: individual intolerance to the components, pregnancy, breast-feeding.