International Journal of Endocrinology / 2013 / Article / Fig 1

Clinical Study

A Double-Blind, Placebo Controlled, Randomized Trial to Assess the Impact of a Monthly Administration of 50,000 IU of Vitamin D3 for 6 Months on Serum Levels of 25-Hydroxyvitamin D in Healthy Young Adults

Figure 1

Serum 25(OH)D (ng/mL) levels observed in a young healthy population after 3 (February) and 6 (May) months of supplementation with a monthly dose of 50,000 IU of cholecalciferol or a placebo.
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