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
Serum 25(OH)D (ng/mL) levels observed in a young healthy population after 3 and 6 months of supplementation with a monthly dose of 50,000 IU of cholecalciferol or a placebo. The results are expressed as mean ± SD. A P value <0.05 is considered as significant.
Vitamin D group
After 90 days (February)
After 180 days (May)
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