

Conclusion Statement
Strong and consistent evidence demonstrates serum, plasma and red blood cell (RBC) folate concentrations have increased in the United States and Canada, following mandatory folate fortification.
2010 DGAC Grade: Strong
Strong and consistent evidence demonstrates serum, plasma and red blood cell (RBC) folate concentrations have increased in the United States and Canada, following mandatory folate fortification.
2010 DGAC Grade: Strong