Calcium that is better absorbed by babies includes calcium lactate and calcium carbonate; calcium that also contains a moderate amount of vitamin D is better absorbed. The absorption rate of both calcium lactate and calcium carbonate is relatively high, with calcium lactate slightly higher than calcium carbonate. So parents can choose these two types of calcium tablets for their babies. At the same time contains vitamin D calcium tablets baby absorption better. Vitamin D can improve the body’s absorption of calcium and phosphorus, promote growth and bone calcification, and promote sound teeth. So when choosing calcium supplements, you can choose calcium that contains the right amount of vitamin D, which is better absorbed by the baby. Calcium supplementation for babies should not be blindly supplemented with calcium, otherwise it is easy to have gastrointestinal reactions and other side effects. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.