St. John's Wort
St. John's Wort flower head extract
- Products
- 8
NIH LiverTox — hepatotoxicity
Category D · Possible cause
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 · 8 labeled products
Min
20 mg
Typical
308.75 mg
Max
450 mg
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.
- 179St. John's Wort extractUNIIherb
- 174St. John's WortUNIIherb
- 95Hypericum perforatumherb
- 45St. John's Wort Aerial Parts ExtractUNIIherb
- 19St. John’s Wort powderUNIIherb
- 19St. John's Wort Whole Herb Extractherb
- 16St. John's Wort Herb ExtractUNIIherb
- 9Hypericum perf. aerial part/herb extractherb
- 9St. John's Wort flowering top (Hypericum perforatum) extractherb
- 8St. John's Wort (Hypericum perforatum) aerial parts extractUNIIherb
- 8St. John's Wort flower extractherb
- 8organic St. John’s Wortherb
- 7St. John’s Wort (Hypericum perforatum) flowering tops extractherb
- 7St. John's Wort, Freshherb
- 6St. John's Wort Herbal ExtractUNIIherb
- 6St. John's Wort 0.3% extractherb
- 6fresh organic St. John's Wortherb
- 6St. John's Wort Herb Extract, Dryherb
- 5St. John’s Wort Flowering Tops Extractherb
- 5St. John's Wort Standardized ExtractUNIIherb
- 5St. John's Wort (Hypericum perforatum) Flower Head ExtractUNIIherb
- 5St. John's Wort Liquid ExtractUNIIherb
- 5standardized St. John's Wort extractherb
- 5St. John's Wort (aerial part) extractherb
- 5St. John's Wort Glycerite Liquid Extractherb
Top brands carrying St. John's Wort flower head extract
15 brands rolled up
Products containing St. John's Wort flower head extract