When taken during pregnancy, magnesium may protect against complications such as preeclampsia and preterm delivery. Women should get at least 310 mg of magnesium each day and should up that amount to 360-400 mg during pregnancy and 320-360 mg when breastfeeding.

More herbs and supplements for healthy pregnancy

  • Folate: During pregnancy, folate helps create red blood cells, DNA, and RNA. Also assists in metabolizing the amino acid homocysteine, which in high levels is a risk factor for cardiovascular disease.
  • Chlorella: Excellent source of carotenes, chlorophyll, and other antioxidants. Studies show it can help eliminate heavy metals and toxins from the body, thus reducing the fetus' exposure to these poisons.
  • DHA: A pregnant woman can lose as much as 50 percent of the DHA from her brain—a major contributor to postpartum depression. Mothers with low levels of DHA also are more likely to deliver prematurely.