Sunvit Folic Acid 800 mcgBenefit Women who are planning a pregnancy. Pregnant women. Main features Folic acid is an essential vitamin in the preconception process for women during pregnancy. It is crucial for preventing the occurrence of diseases in the nervous system, particularly neural tube defects. Folic acid is essential for the formation and growth of red blood cells, making it useful in the treatment of anemia associated with its deficiency (megaloblastic anemia).