Common question Short answer: with caution

Is St. John’s Wort Safe During Pregnancy?

Yellow St. John's wort flower with buds and green leaves, the herb behind the pregnancy safety question

Answer

St. John's Wort is generally advised against during pregnancy. This is due to its known interactions with other medications, as it can affect liver enzymes that metabolize many drugs, and because there is limited pregnancy-specific safety data available.

Reviewed by Jamie G, Founder & Researcher · Last reviewed September 11, 2026 · 1 source cited · 1 min read

St. John’s Wort and Pregnancy: What to Know

When considering herbal supplements during pregnancy, it’s helpful to understand how they might interact with your body and other medications. St. John’s Wort is generally advised against during pregnancy 1.

Why St. John’s Wort is Advised Against During Pregnancy

The primary reasons for this recommendation are its known interactions with other medications. St. John’s Wort can affect liver enzymes responsible for metabolizing many drugs, which could potentially alter how other medications work in your system 1. Additionally, there is limited specific safety data available regarding its use during pregnancy 1.

For personalized advice on any supplement or product, always consult with your healthcare provider. The SafeMom app is designed to help you check individual product ingredients for pregnancy safety.

Related ingredients

Related questions

Sources

  1. Supplements During Pregnancy: What's Safe and What's Not. Healthline. View source →

Jamie G

Founder & Researcher, SafeMom

Jamie founded SafeMom after researching the ingredient-regulations gap that leaves expecting parents without a single trustworthy answer source. Not a medical professional — all medical questions should be directed to your OB or midwife.

Reviewed September 11, 2026 1 sources cited Editorial standards Suggest a correction

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