Calcium carbonate D3 is a very common calcium and vitamin D supplement on the market today, and the price varies according to the amount of domestic and imported calcium carbonate D3 and the amount of the medicine. Domestic calcium carbonate D3, 30 tablets in about 25 yuan, domestic calcium carbonate D3, 60 tablets in about 42 yuan; imported calcium carbonate D3, 30 tablets in about 30 yuan, imported calcium carbonate D3, 60 tablets in 55-60 yuan, calcium carbonate D3 recommended to buy imported 60 tablets, very high cost performance is also very good.