It is a child’s nature to be active, but if the amount of activity is significantly more than that of children of the same age and the self-control is poor, you must be wary of ADHD. Hyperactivity may be a sign of calcium deficiency in the child, and the child must be given timely supplementary treatment. 999? Ao? Nuo? Jinxin? Golden Calcium Special is easy to take, tastes good, and can achieve the real purpose of high-efficiency calcium supplementation.