Complexities of Vitamin D in CKD Require Individualization

When it comes to issues of vitamin D in chronic kidney disease (CKD), core certainties include that most patients with CKD have dysregulated 25-hydroxy vitamin D (25[OH]D) and nutritional supplementation can increase those levels. Beyond that, complexities abound, with evidence fraught with confounders regarding who may or may not benefit from supplementation…