Evaluating Vitamin D Repletion Regimens and Effects in Veteran Patients.

Background: There are wide variations in recommended dosing for vitamin D repletion. The identification of specific dosing thresholds to optimize repletion of 25-hydroxyvitamin D3 (also known as 25(OH)D) may help narrow the wide spectrum of vitamin D dosing.

Objective: The primary objective of this study was to evaluate vitamin D treatment regimens and their dose response effect on vitamin D serum levels.