St. John's Wort
St. John's Wort extract
- UNII
- UFH8805FKA
- Products
- 179
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 · 174 labeled products
Min
10 mg
Typical
360.856 mg
Max
1.925 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.
- 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
- 8St. John's Wort flower head 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
Products with avoid-level excipients
4
contain St. John's Wort extract AND at least one authority-avoid-flagged excipient
Top brands carrying St. John's Wort extract
15 brands rolled up
Products containing St. John's Wort extract
179 in catalog
- Vitamin WorldSt. John's Wort—
- Country LifeMaxine's Maximized Menopause Formula—
- Nature's BountyDouble Strength St. John's Wort 300 mg—
- Douglas LaboratoriesBrain Mood—
- VitaCeutical LabsSt. John's Wort 300 mg—
- BronsonSt. John's Wort—
- OL Olympian LabsSt. John's Wort—
- Douglas LaboratoriesBrain Mood—
- Good 'N NaturalSt. John's Wort Extract 300 mg—
- 21st CenturySt. John's Wort Extract—
- 21st CenturySt. John's Wort Extract—
- NOWSt. John's Wort 300 mg—
- NOWSt. John's Wort 300 mg—
- Country LifeMaxine's Maximized Menopause Formula—
- NOWMood Support—
- Protocol For Life BalanceSt. John's Mood Caps—
- Gaia HerbsSt. John's Wort Flower Buds & Tops—
- Nature's BountyStandardized Extract Double Strength St. John's Wort 300 mg—
- LumidayLumiday—
- Vitamin WorldMelatonin With St. John's Wort—
- VSN Vital Strength NutritionSt. John's Wort 300 mg—
- BioGenesis NutraceuticalsEskaloft—
- Vitamer LaboratoriesSt. John's Wort 300 mg—
- Sundown NaturalsSt. John's Wort Standardized Extract—
- Spring ValleyStandardized Extract St. John's Wort 300 mg—
- Nature's WaySt. John's Wort Standardized—
- Nature's WayPerika St. John's Wort1 avoid—
- Spring ValleyNatural St. John's Wort 0.3% 300 mg—
- Sundown NaturalsSt. John's Wort—
- Bronson LaboratoriesSt. John's Wort 300 mg—
- The Vitamin ShoppeSt. John's Wort Extract 300 mg—
- The Vitamin ShoppeSt. John's Wort Extract 300 mg—
- The Vitamin ShoppeSt. John's Wort Extract 300 mg—
- NOWMood Support—
- VQ Verified QualityHi-Potency St. John's Wort 300 mg—
- NOWMood Support—
- Only NaturalNo-Zac St. John's Wort 450 mg—
- OL Olympian LabsSt. John's Wort—
- Nature's WayMood Aid With 5-HTP & St. John's Wort—
- AltrumUpliftment Formula—
- NOWMood Support—
- Irwin NaturalsEstroPause1 avoid—
- NOWMood Support—
- NOWSt. John's Wort 300 mg—
- NOWSt. John's Wort 300 mg—
- BIOVEASt. John's Wort 450 mg—
- BIOVEASt. John's Wort 450 mg—
- RadianceSt. John's Wort 300 mg—
- Indiana Botanic GardensSt. John's Wort—
- MaritzMayer LaboratoriesSt. John's Wort 300—