Vitamin D deficiency (< 20 ng/mL) and insufficiency (20–29 ng/mL) are common among
patients with chronic kidney disease (CKD) or undergoing dialysis. In addition to nutritional …

It is now generally accepted that vitamin D deficiency is a worldwide health problem that
affects not only musculoskeletal health but also a wide range of acute and chronic diseases …

Background Optimal vitamin D intake and its status are important not only for bone and
calcium-phosphate metabolism, but also for overall health and well-being. Vitamin D …

Objective To evaluate the extent to which circulating biomarker and supplements of vitamin
D are associated with mortality from cardiovascular, cancer, or other conditions, under …

Objective To evaluate the breadth, validity, and presence of biases of the associations of
vitamin D with diverse outcomes. Design Umbrella review of the evidence across systematic …

Vascular calcification (VC), particularly medial (Mönckeberg's medial sclerosis) arterial
calcification, is common in patients with diabetes mellitus and chronic kidney disease and is …

Background No consensus exists regarding the factors influencing mortality in patients
undergoing hemodialysis (HD). This meta-analysis aimed to evaluate the impact of various …

Observational studies, randomized controlled trials (RCTs), and Mendelian randomization
(MR) studies have yielded inconsistent results on the associations of vitamin D …

The kidneys play a pivotal role in the regulation of electrolyte and acid-base balance. With
progressive loss of kidney function, derangements in electrolytes and acid-base inevitably …

The antibacterial protein hepcidin regulates the absorption, tissue distribution, and
extracellular concentration of iron by suppressing ferroportin-mediated export of cellular …