What b complex vitamin has been shown to help prevent damage to the brain and spinal cord of unborn babies?

Folic acid, a B complex vitamin, has been shown to help prevent damage to the brain and spinal cord of unborn babies. It is crucial for proper neural tube development during early pregnancy, significantly reducing the risk of neural tube defects. Health organizations recommend that women of childbearing age take folic acid supplements to ensure adequate levels before and during pregnancy.