Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/25/2025

Vitamin D Supplementation in Chronic Kidney Disease Patients

Guideline-Based Recommendations for Vitamin D and K Supplementation

  • The National Kidney Foundation, as published in the American Journal of Kidney Diseases, suggests cholecalciferol or ergocalciferol supplementation to correct 25-hydroxyvitamin D deficiency/insufficiency in CKD patients 1, 2
  • Patients on warfarin should NOT receive vitamin K supplements as it interferes with anticoagulant activity, according to the American Journal of Kidney Diseases 1, 2