It is common for parents to ask about calcium deficiency in the clinic. How much calcium does a baby need per day? What are the best sources of calcium for babies? Which babies are prone to calcium deficiency? How to prevent calcium deficiency in babies? 1. How much calcium does a baby need every day? Age is different, the daily need of calcium is different. 0~6 months: 200mg 6 months~1 year: 260mg 1 year~3 years: 700mg 2. What are the best sources of calcium for babies? Milk and milk products are the main source of calcium for human body and also the best source; green vegetables, soybean and its products also contain high calcium, which can be used as a supplementary source of calcium. 3.Which babies are prone to calcium deficiency? Calcium absorption depends on vitamin D. Insufficient or lack of vitamin D is an important factor causing calcium deficiency. Infants and young children under 2 years of age, due to rapid growth, rapid increase in bone mass, the need for calcium is relatively high, is a high-risk group of calcium deficiency. Lack of high-calcium foods such as milk in children’s diet is an important factor leading to calcium deficiency in children. Large amounts of fruit juices and carbonated beverages affect calcium intake by crowding out milk intake. Suffer from diarrhea, gastrointestinal diseases, intestinal calcium absorption and utilization is poor, also easy to cause calcium deficiency. 4.What are the signs of calcium deficiency in babies? In fact, many of the baby’s performance of calcium deficiency is not specific, can not simply to a certain performance that the baby calcium deficiency. 5.How to prevent calcium deficiency in babies? Encourage breastfeeding, breastmilk is a good source of calcium for babies. As long as breastmilk is sufficient, infant calcium nutrition is sufficient; when for various reasons the mother is not breastfeeding or breastmilk is insufficient, adequate formula feeding can still provide sufficient calcium nutrition. 2 years old before the baby is mainly breastfed should pay attention to supplement vitamin D to promote calcium absorption. Calcium requirement for babies after 2 years of age is 700 to 1,300 mg per day. Depending on the composition of the daily diet (calcium intake from dairy products), an average of 1.5-2 cups of milk per day is still considered to be able to provide adequate calcium nutrition. A 240 ml glass of milk contains about 300 mg of calcium, making it the richest, most easily absorbed, and most conveniently consumed source of calcium. Children of every age should be encouraged to drink more milk. Soy products, green vegetables, and calcium-fortified foods can be used as supplemental sources of calcium. 6. Do babies need calcium supplements? Whether babies before 1 year old are fed breast milk or formula, there is already sufficient calcium in the milk. As long as regular vitamin D supplementation is given to babies, babies will not be deficient in calcium, so babies before 1 year old do not need to take calcium supplements. For babies over 2 years old, as long as they drink enough milk every day, about 2 cups (1 cup is 240ml) per day, and eat beans and green vegetables, which also have enough calcium, there is no need to take extra calcium supplements.