The addition of folic acid to food. In Canada, folic acid must be added to enriched pasta, white flour, infant formula, whole egg substitutes, and simulated meat products.
Canadian Food Inspection Agency. Foods to Which Vitamins, Mineral Nutrients and Amino Acids May or Must Be Added [D.03.002, Fdr] [Internet]. 2018 [cited 2018 Nov 12]. Available from: http://www.inspection.gc.ca/food/labelling/food-labelling-for-industry/nutrient-content/reference-information/eng/1389908857542/1389908896254?chap=1