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Vitamin D and Kidney Stones

This review explores the relationship between vitamin D supplementation and lithogenesis.

Michael L. Schulster MD(1) and David S. Goldfarb MD (2) (1) Department of Urology, NYU Langone Health (2) Nephrology Division, NYU Langone Health, NYU School of Medicine, and New York Harbor VA Healthcare System, New York, NY, USA

Abstract 

This review explores the relationship between vitamin D supplementation and lithogenesis. A causal relationship has been assumed despite myriad studies demonstrating that therapeutic doses of vitamin D do not increase lithogenic risk. Select stone formers may be at increased risk for recurrence with vitamin D supplementation, possibly from CYP24A1 gene mutations. Additionally, the evidence for who is vitamin D deficient, and the benefits of supplementation in those not at risk for rickets, is sparse. Concerns may be avoidable as vitamin D screening appears unnecessary in most patients, and superior pharmacology is available which increases bone density, while decreasing stone formation.