EvidenceAll findings

St. John's Wort Interactions: Medicines It Can Weaken

Taking St. John's wort for menopause mood or hot flashes? The NIH says it can weaken many medicines, including birth control pills, some antidepressants, warfarin and certain statins. Ask a pharmacist before adding it. Source: NIH NCCIH.

Source: NIH National Center for Complementary and Integrative Health

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