Calcium Carbonate Vitamin D₃ Elemental Tablets is a calcium supplement. It is used as a calcium supplement for adults, especially middle-aged and elderly people and postmenopausal women, and to help prevent and treat osteoporosis. Calcium Carbonate Vitamin D₃ Elemental Tablets is a combination of calcium carbonate, magnesium oxide, zinc oxide, and copper oxide nutrients used as a calcium supplement for the adult population, especially middle-aged, elderly, and post-menopausal women. It also has the ability to help and prevent the treatment of osteoporosis. It should be noted that this medication may cause adverse reactions such as belching (burping) and constipation when taken. It may also cause hypercalcemia if taken in excess. This drug is contraindicated in patients with hypercalcemia and hyperuricemia; and in patients with severe renal insufficiency and vitamin D excess. It is recommended that patients consult a physician or pharmacist in detail before taking this drug, and if overdose or adverse reactions occur after taking it, it is recommended to consult a doctor in time.