CKD patients are prone to deficiencies in both 25(OH)D and 1,25(OH)2D.
Circulating 25(OH)D can convert to 1,25(OH)2D in the extra-renal tissues.
Native vitamin D improves skeletal quality and quantity in CKD patients.
Native vitamin D promotes extra-skeletal health in CKD patients.
The benefit of combination of native and active vitamin D therapy in CKD