Comparison of Sunlight Exposure and Vitamin D Supplementation on Serum 25-hydroxyvitamin D Levels

NACompletedINTERVENTIONAL
Enrollment

150

Participants

Timeline

Start Date

June 1, 2015

Primary Completion Date

November 25, 2015

Study Completion Date

November 30, 2015

Conditions
Vitamin D DeficiencyCardiometabolic Risk Factors
Interventions
BEHAVIORAL

Sunlight Exposure

"* Everyday sunlight exposure around noon for 20-30 minutes for 8 weeks~* Completing a Sun Diary after sunlight exposure"

DIETARY_SUPPLEMENT

Vitamin D Supplementation

\- Supplementation of vitamin D3 500 IU/day for 8 weeks

OTHER

Placebo

\- Intake of placebo for 8 weeks

All Listed Sponsors
lead

Seoul National University Hospital

OTHER

NCT03310242 - Comparison of Sunlight Exposure and Vitamin D Supplementation on Serum 25-hydroxyvitamin D Levels | Biotech Hunter | Biotech Hunter