21
Participants
Start Date
October 31, 2005
Primary Completion Date
November 30, 2005
Study Completion Date
November 30, 2005
Vitamin B12
After taking a fasting blood sample, all subjects were given a light breakfast plus 9 micrograms of vitamin B12. Two more doses of vitamin B12, 9 micrograms each, were administered 6 hours apart.
General Clinical Research Center, Shands Hospital, University of Florida, Gainesville
National Center for Research Resources (NCRR)
NIH
University of Florida
OTHER