The role and necessity of folic acid. Folic acid is a type of B vitamin. It plays an important role in the growth and development of the human body, blood production, nervous system development, etc., especially during pregnancy, it plays an important role in the formation of the fetal spine, neural tube, heart and other organs. Crucial. Therefore, women during pregnancy should pay attention to supplementing enough folic acid to avoid problems such as congenital malformations. Is it necessary to buy expensive folic acid? There are different types and prices of folic acid on the market, so is it necessary to buy expensive folic acid? In fact, when purchasing folic acid, you do not need to pursue overpriced products. What is important is to choose products with good quality and reputation. some big brands