Neutralize homocysteine levels and promote heart health today with the help of Swanson Folic Acid! This essential vitamin also plays an essential role in prenatal nutrition. According to the U.S. Public Health Service, a healthful diet supplying 400 mcg of folic acid per day may reduce a woman's risk of having a child with birth defects of the brain or spinal cord. Our convenient capsules are a great way to ensure that you get a healthy supply of folic acid every day.