Nelson Vergel
Founder, ExcelMale.com
I recently discovered a very concise fact sheet with good information about vitamin D, indications, dosages, benefits, and references. Hope you like it!
http://www.rxfiles.ca/rxfiles/uploads/documents/Vitamin-D-Overview-QandA.pdf
http://www.rxfiles.ca/rxfiles/uploads/documents/Vitamin-D-Overview-QandA.pdf