311
Participants
Start Date
August 31, 2013
Primary Completion Date
December 7, 2017
Study Completion Date
December 31, 2017
Vitamin D
Three different doses of vitamin D will be administered in a double-blinded fashion. The three doses are 400, 4000, or 10,000 IU/day
The University of Calgary, Calgary
Pure North S'Energy Foundation
OTHER
University of Calgary
OTHER