What is the best solution to manage vitamin D deficiency?

Nowadays, vitamin D deficiency is the most common nutritional deficiency worldwide. In addition to the skeletal effects, it is now recognized that vitamin D deficiency is associated with higher morbidity and mortality. Currently, optimizing serum concentration of 25-hydroxy vitamin D with targeted strategies is becoming one the most interesting topics of public health nutrition. It is not possible for everyone to obtain sufficient serum...