Fig. 2From: Vitamin D binding protein is not affected by high-dose vitamin D supplementation: a post hoc analysis of a randomised, placebo-controlled studyCorrelation between a free 25-hydroxyvitamin D (25-OHD) and b 25-OHD and between free 25-OHD and vitamin D binding protein (VDBP) in plasma samples from the original study at baseline and after 6 months (n = 118)Back to article page