Vitamin D plays an important role in the metabolism and absorption of calcium and phosphorus to form the skeleton. The consequence of vitamin D deficiency in young children is reduced absorption of calcium and phosphorus in the intestines, the body must mobilize calcium from the bones into the blood, causing disorders in the calcification process in bones, causing osteoporosis and rickets in children.

Vitamin D plays a very important role in bone structure formation, especially in children. Because of its important role, children need to be fully supplemented with vitamin D. So what are the signs that children are deficient in vitamin D?