Vitamin D in Chronic Kidney Disease

Vitamin D deficiency, circulating levels lower than 15 ng/ml, is an epidemic disease worldwide with  more than a billion people suffering of it in the beginning of the 21-century. Besides its impact on mineral and bone metabolism, these low vitamin D levels are also associated with a diversity of non-skeletal complications, among them cardiovascular disease, diabetes mellitus, multiple sclerosis, cancer, tuberculosis, and immune system dysfunction. Chronic Kidney Disease is also a very comm