Buy source naturals : folic acid 800 mcg, 200 tabs

Folic Acid, along with vitamin B-12, is required for the synthesis of DNA, the principal genetic material in the body. It helps prevent neural tube defects in developing embryos, making it an important nutritional supplement for women who are, or intend to become, pregnant.

Folic acid is well-tolerated in amounts found in fortified foods and supplements. Folic acid can be measured in the liquid portion of blood (plasma) to test for deficiencies. Severe folic acid deficiency may cause a sore tongue, diarrhea, headaches, weakness, forgetfulness, and fatigue. Breakfast cereal fortified with folic acid, vitamin B-6, and vitamin B-12 increases vitamin concentrations and reduces homocysteine concentrations in the blood. Pregnant women can do well by taking folic acid for this can help reduce the instances or birth defects.