Gold Member Badge


  • You're all caught up!

Brewers Yeast Safety & Breastfeeding

Brewers Yeast Safety & Breastfeeding
Mother breastfeeding her child Photo Credit: oksun70/iStock/Getty Images

Brewer's yeast comes from a one-celled fungus and is a byproduct of beer making, though it can also be grown as a nutritional supplement. A good source of iron, chromium and selenium, brewer's yeast also contains several B vitamins, though not B-12. Brewer's yeast has a history of use as a galactagogue, which is a food, herb or medication that increases milk supply in nursing mothers.

Video of the Day

Safe for Nursing Women

According to international board certified lactation consultant Anne Smith, writing for, brewer's yeast is one of several galactagogue herbs usually considered safe for breastfeeding mothers. She warns there is no scientific evidence supporting the claims that it will boost breast milk production, but you might notice a modest increase in supply.

Side Effects

Kathleen Huggins, author of "The Nursing Mother's Companion," cautions some babies have experienced fussiness after their mothers took brewer's yeast. states brewer's yeast has few side effects, but advises women with recurrent yeast problems or yeast infections to avoid using the supplement.

LiveStrong Calorie Tracker
Lose Weight. Feel Great! Change your life with MyPlate by LIVESTRONG.COM
  • Gain 2 pounds per week
  • Gain 1.5 pounds per week
  • Gain 1 pound per week
  • Gain 0.5 pound per week
  • Maintain my current weight
  • Lose 0.5 pound per week
  • Lose 1 pound per week
  • Lose 1.5 pounds per week
  • Lose 2 pounds per week
  • Female
  • Male
ft. in.



Demand Media