Which brand of folic acid is more advantageous? Folic acid is a vital nutrient for human health. It plays an irreplaceable role before, during and after pregnancy. In daily life, in order to obtain enough folic acid, many people buy folic acid health products. There are so many folic acid products on the market, so which brand of folic acid has more advantages? In terms of efficacy, folic acid has many benefits for human health, such as preventing neural tube defects and reducing fetal malformations.