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St. John's Wort 300 mg

product on market Capsule Vitabase Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for St. John's Wort 300 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Botanical
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 300.0mg (240 products) 20 studies — no high-quality reviews

Other Ingredients

Gelatin May contain one or more of the following:
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, adults take one (1) capsule, one (1) to three (3) times daily with meals, or as directed by a health care professional.

Warnings & Precautions

Keep out of reach of children.

Consult a physician before using St. John's Wort with prescription drugs.

Caution: St. John's Wort may cause increased photosensitivity in some individuals. Use caution while taking this product during exposure to sunlight. If symptoms arise, discontinue the use of this product.

Formulation Notes

Standardized Extract, 300 mg 0.3% Hypericin, 0.9 mg Per Capsule

Contains No Added sugar, salt, dairy, yeast, wheat, corn, soy, preservatives, artificial colors or flavors.

Additional Information

Store in a cool, dry place and away from direct light.

Store in a cool, dry place and away from direct light.

QUALITY AND POTENCY GUARANTEED.

Our Standardized St. John's Wort Extract is manufactured under strict European quality control standards without the use of harsh chemicals. Like all European herbal extracts, the extraction of our St. John's Wort Extract is regulated to the same high standards as Over-The-Counter drugs. It is meticulously extracted to provide a standardized level of 0.3% naturally occurring Hypericin. Our Standardized St. John's Wort Extract contains a full spectrum of components as they occur naturally in St. John's Wort.

Vb

Vitabase uses only high quality ingredients.

Metadata

Product Details

DSLD Entry Date2012-03-23
Product TypeBotanical
FormCapsule
DSLD ID7279
Data Updated2026-04-11
Research

Research Evidence

43
Research Sources
48
Avg Quality
16
Meta Analysis
14
Systematic Review
7
Rct
4
Regulatory Source
1
Clinical Trial
1
Openfda Safety
B St John's wort for major depression
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
B Clinical use of Hypericum perforatum (St John's wort) in depression: A meta-analysis
Meta Analysis Journal of affective disorders 2017 PubMed DOI
B A systematic review of St. John's wort for major depressive disorder
Meta Analysis Systematic reviews 2016 PubMed DOI
B St John's wort for depression
Systematic Review The Cochrane database of systematic reviews 2000 PubMed
B Efficacy of Pharmacological Interventions in Milder Depression: A Systematic Review and Meta-Analysis
Meta Analysis Neuropsychopharmacology reports 2025 PubMed DOI
B St John's wort for depression
Meta Analysis The Cochrane database of systematic reviews 2005 PubMed
C St John's wort for depression: meta-analysis of randomised controlled trials
Meta Analysis The British journal of psychiatry : the journal of mental science 2005 PubMed
C The effect of Hypericum perforatum on postmenopausal symptoms and depression: A randomized controlled trial
Rct Complementary therapies in medicine 2019 PubMed DOI
C Hypericum extract versus imipramine or placebo in patients with moderate depression: randomised multicentre study of treatment for eight weeks
Rct BMJ (Clinical research ed.) 1999 PubMed
C Hypericum perforatum as a cognitive enhancer in rodents: A meta-analysis
Meta Analysis Scientific reports 2016 PubMed DOI
View all evidence for St Johns Wort →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.