Fig. 1From: Vitamin D binding protein is not affected by high-dose vitamin D supplementation: a post hoc analysis of a randomised, placebo-controlled studyPlasma levels of a vitamin D binding protein (VDBP), b 25-hydroxyvitamin D (25-OHD) and c free fraction of 25-OHD in the placebo group and the vitamin D treated group at baseline and after 6 months in the original study [10]Back to article page