St. John's Wort

fresh organic St. John's Wort

Products
6
NIH LiverTox — hepatotoxicity
Category D · Possible cause
About LiverTox →

LiverTox Category D. Few case reports of hepatitis; causality uncertain. Major drug-interaction concern (CYP3A4 induction) — can reduce levels of warfarin, oral contraceptives, immunosuppressants, HIV antivirals.

LiverTox record (NIH NCBI Bookshelf) →
Label dose distribution · 6 labeled products
Min
500 mg
Typical
916.667 mg
Max
1 g
Other forms of St. John's Wort

25 sibling forms

Distinct chemical forms sharing the same parent nutrient. Different UNIIs, different bioavailability, different effects — never collapsed.

Top brands carrying fresh organic St. John's Wort

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Products containing fresh organic St. John's Wort

6 in catalog