CompletedNot Applicable

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

150 participantsStarted 2015-06-01

Plain-language summary

This study aimed to compare the effects between sunlight exposure and oral vitamin D supplementation on serum 25-hydroxyvitamin D concentration and metabolic markers in Korean young adults.

Who can participate

Age range18 Years – 39 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Serum 25(OH)vitamin D \< 12ng/mL * age between 18 and 39 years * Korean men and women Exclusion Criteria: * Vitamin D supplementation within 2 months * Photosensitivity or UV allergy * History of hyperparathyroidism/hypercalciuria/kidney stone/skin cancer and other cancer * Under medication for hypertension, dyslipidemia, and diabetes * Intake of photosensitive medicine during study period * Exposure of strong UV (e.g., beach, sun tanning) during study period * Pregnant/breast-feeding women

What they're measuring

Serum 25(OH)D

Timeframe: Baseline, 4 week, and 8 week

Trial details

NCT IDNCT03310242

SponsorSeoul National University Hospital

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2015-11-25

View on ClinicalTrials.gov More Vitamin D Deficiency trials