One bag of a Japanese-made calcium + vitamin D supplement. One tablet per day, one bag contains 20 days' worth. Supplements nutrients that tend to be deficient, such as sodium, vitamin D, and eggshell calcium. Each tablet contains 150mg of eggshell calcium, and one bag of 20 tablets contains 3000mg. Expiration date: 2026.8.31 Please purchase if you understand that this product has been stored at home. There is still stock available.