Abstract
Objective: To address the treatment of hypovitaminosis D and the supplementation of this vitamin in the child's care routine, aiming at their physical, psychological and social well-being. Bibliographic review: The lack of vitamin D (VD) is associated with the emergence of numerous diseases and for this reason it is a major public health problem, constituting one of the biggest nutritional problems in the world. It was discovered about 2,000 years ago and is mainly related to musculoskeletal diseases. However, in recent years, the deficiency of this vitamin began to be associated with other problems that affect the various systems of the human body. The best way to avoid its deficit is through vitamin replacement, intoxication being a rare event. Final considerations: It is important to pay attention to the fact that screening for hypovitaminosis D should not be performed routinely, being requested only in risk groups and supplementation should not be performed indiscriminately for the entire population. Evidence that it improves other health outcomes in different situations is insufficient to support its widespread use to date.