9
Participants
Start Date
October 31, 2011
Primary Completion Date
February 28, 2017
Study Completion Date
February 28, 2017
10,000 IU Vitamin D3
"Month 1: 20,000 IU vitamin D3 once a week~Months 2-6: 10,000 IU vitamin D3 once a week"
Placebo
"Month 1: Placebo once a week~Months 2-6: Placebo once a week"
Vitamin D
Daily multivitamin with 400 IU vitamin D.
Columbia University Medical Center, New York
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Columbia University
OTHER