Guidelines for the Use of Vitamin D and 25(OH)D Testing

Clinical Guidelines for the Use of Vitamin D: Empirical Supplementation and 25(OH)D Testing for Disease Prevention Numerous studies demonstrate associations between serum concentrations of 25-hydroxyvitamin D (25[OH]D) and various common disorders, including musculoskeletal, metabolic, cardiovascular, malignant, autoimmune, and infectious diseases. Although a causal link between serum 25(OH)D concentrations and many of these disorders has not…