Relationship of Serum Magnesium and Vitamin D Levels in a Nationally-Representative Sample of Iranian Adolescents: The CASPIAN-III Study.

Background: This study aims to assess the relationship of serum Mg and vitamin D levels in a nationally-representative sample of Iranian adolescents.

Methods: The study participants consisted of 330 students, aged range from 10 to 18 years, consisting of an equal number of individuals with and without hypovitaminosis D. The correlation between serum 25 hydroxy vitamin D (25(OH) D) and magnesium (Mg) concentrations was determined.