How much does the child eat a day?
Calcium D 600: adults 1-2 tablets, daily 1 time, children 1/2 tablets, daily 1 time. Calcium tablet D 300: 2 tablets for adults, 2-3 times a day, and children 1 tablet, 2 times a day. 3-year-old children can take calcium tablets according to the above types and the dosage of children.