Children who are deficient in vitamin AD can take it under the guidance of a doctor.
Children who have night blindness, dry skin, night terrors, occipital baldness, O-shaped legs and other aspects of the situation, on behalf of the body may be deficient in vitamin AD, if the parents are not sure, you can take the children to the hospital for trace element examination, if the body lacks the need for timely supplementation of vitamin AD, need to be used under the guidance of a doctor, do not take on their own, to avoid causing harm.
Children can also usually more intake of food rich in vitamin AD, such as carrots, spinach, beef, etc., can also be appropriate sun exposure, promote calcium absorption.