Calcium supplements for adults can be calcium carbonate, calcium carbonate Dā tablets and calcium lactate according to specific conditions. Normal adults can maintain the balance of calcium in the human body through normal dietary absorption of calcium, if there is osteoporosis, tetany or pregnant and lactating women, menopausal women can take calcium carbonate, calcium lactate, etc. to treat and prevent calcium deficiency, and if the lack of vitamin D leads to osteoporosis you can take Calcium Carbonate D ā to replenish calcium. It can also be supplemented by consuming foods high in calcium, such as various dairy products, soy products and shrimp. It is strictly prohibited to take if there is hypercalcemia, hypercalciuria, calcium-containing kidney stones or a history of kidney stones, as well as people who are hypersensitive to calcium carbonate or calcium lactate. The above medicines should be taken under the guidance of a doctor.