St. John's Wort

St. John's Wort

UNII
A6V4CUE7PV
Products
174
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 · 163 labeled products
Min
16 mcg
Typical
315.706 mg
Max
2 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.

Products with avoid-level excipients
4

contain St. John's Wort AND at least one authority-avoid-flagged excipient

Products with caution-level excipients
2

contain St. John's Wort alongside a caution-flagged filler

Top brands carrying St. John's Wort

15 brands rolled up

Products containing St. John's Wort

174 in catalog