Sauerkraut is perfectly fine to eat while pregnant and breastfeeding. Of course, you'll want to confirm with your provider. Sauerkraut is great for mama as her digestion slows down due to pregnancy. Sauerkraut is rich in iron which is great for both mama and baby and the vitamin c in sauerkraut helps to absorb the iron. Sauerkraut is also rich in folate – that brain-building vitamin crucial for baby.