During adolescence, depending on the age of the adolescent, the daily intake of calcium needs to be 1,000 to 1,200 mg. If the intake is insufficient, calcium can be supplemented by oral calcium supplements under the guidance of a doctor. In adolescence, the general growth and development rate is relatively rapid stage, this time the bone growth is more rapid, the human body for the demand for calcium will be more obvious, so in the normal diet, if the calcium intake is insufficient, you can follow the doctor’s advice to take some calcium tablets to supplement the calcium, and at the same time, need to be supplemented with vitamin D under the guidance of the doctor, to promote the absorption of calcium. Need to be vigilant, if the baby daily intake of calcium is sufficient, there is no need for calcium supplementation, blind calcium supplementation may cause the baby calcium and phosphorus metabolism abnormality and thus dangerous, so adolescents try to intake of calcium-containing foods relatively high, such as calcium intake is insufficient, you can improve the micronutrient and other related examinations, as prescribed by the doctor for supplementation.