The use of blood concentrations of vitamins and their respective functional indicators to define folate and vitamin B12 status.


In recent years there has been growing interest in the vitamins folic acid and vitamin B12 because of the realization that the status of these vitamins in populations is less than adequate, and that such inadequacy may be linked to adverse public health outcomes. This concern has prompted the United States, Canada, and other countries to fortify grain… (More)


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