Prenatal Vitamins for Hashimoto’s

in by StephPapacoda

I know there is a lot of information out there on iodine and how it can aggravate Hashimoto’s. Most of the prenatal vitamins that I have found that have Folate, the right B12 and are free from the common allergens, have iodine in them, about 150mcg noted as the RDA. Are there concerns with iodine being in these vitamins for people who are pregnant with Hashimoto’s? I am not pregnant yet, but will start to take prenatals to prepare for pregnancy. For the past 2 years, I’ve gone through gut repairs and liver detoxes and follow an AIP diet 85-90% of the time with the wiggle room for nuts, seeds and certain gluten free grains. Thank you!

About StephPapacoda

Conditions: Hashimoto's thyroid disease

Doctors seen: Chiropractor

Treatment: Vitamins, herbs, and/or supplements

Age: 25-34


1 Answer


Almost all prenatal vitamins will contain iodine in them. Iodine is important for fetal development as well as for the mother as she carries her baby to term. Iodine in low doses generally will not aggravate conditions such as Hashimoto’s especially if given with other nutrients such as selenium to help with the antioxidant effect.

Another important thing to take into consideration is that many autoimmune diseases, including Hashimoto’s tend to get better during pregnancies because the mother’s immune system is suppressed. The thyroid hormone still needs to be regulated in a woman with Hashimoto’s when she is pregnant, but the autoimmune response generally goes down. And because those with Hashimoto’s are commonly deficient or lower in iodine, it becomes an important mineral for both the mother and the baby during pregnancy. Taking these things into consideration, the RDA value of iodine in most prenatal vitamins should be safe for most women with Hashimoto’s in preparation and during pregnancy.

Jenny Bennett, ND LAc

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Answered on May 14, 2016

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