180
Participants
Start Date
May 31, 2005
Primary Completion Date
January 31, 2008
Study Completion Date
January 31, 2012
Folic acid (supplement)
200 µg folate per day from supplemental folic acid
Metafolin (supplement)
200 µg folate per day from supplemental Metafolin®
Placebo
Placebo
Folate rich foods
200 µg folate per day from folate-rich foods
Institute of Food Research, Norwich
University of Sheffield, Sheffield
Food Standards Agency, United Kingdom
OTHER_GOV
University of Sheffield
OTHER
Quadram Institute Bioscience
OTHER