Folate Deficiency

Question: How effective is fortified iodized salt with folic acid (FISFA) in increasing serum and red blood cell folate in non-lactating, non-pregnant women of reproductive age in the country of Zambia who do not have active food fortification with a folic acid program? Participants will: * Consume salt with folic acid instead of their regular salt for 6 months * Have a blood draw 4 times * Fill out surveys