The present invention provides food bars for consumption by pregnant women, lactating women or women of childbearing potential that are attempting to become pregnant containing one or more vitamins and / or minerals, DHA, one or more DHA taste-masking agents and, optionally, one or more anti-constipation and regularity-maintaining agents, methods for preparing these food bars, and methods for supplementing the dietary requirements of pregnant women, lactating women or women of childbearing potential that are attempting to become pregnant. The food bars of the invention generally comprise one or more vitamins and minerals recommended for consumption by pregnant women, lactating women or women of childbearing potential that are attempting to become pregnant in an amount that is effective for enhancing the nutrition of pregnant women, lactating women or women of childbearing potential that are attempting to become pregnant, and that is not harmful to developing fetuses or breast-feeding babies, including calcium in an amount above 1,000 mg, DHA in an amount that is effective for providing, or increasing the supply of, DHA to a developing fetus or baby through a placenta or breast milk, one or more DHA taste-masking agents in an amount that is effective for masking the taste of DHA, and that is not harmful to developing fetuses or breast-feeding babies and, optionally, one or more anti-constipation and regularity-maintaining agents in an amount that is effective for reducing or eliminating constipation, and that is not harmful to developing fetuses or breast-feeding babies, from about 0 to about 99 weight percent of carbohydrates, from about 0 to about 80 weight percent of proteins, and from about 0 to about 60 weight percent of fats.