|Nutrition Evidence Library|
What effect has folic acid fortification policy had on serum folate, plasma and red blood cell folate status of US Canada women, men and children? (DGAC 2010)
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.
Overall strength of the available supporting evidence: Strong; Moderate; Limited; Expert Opinion Only; Grade not assignable For additional information regarding how to interpret grades, click here.
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