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St. John's Wort 300 mg

product on market Capsule Nature's Bounty 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
100
Servings
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 Dicalcium Phosphate Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: For adults, take one (1) capsule three times daily. Capsules may be opened and prepared as a tea.

Warnings & Precautions

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Avoid excessive exposure to sun and other sources of ultraviolet light when using this product. Discontinue use and consult your doctor if any adverse reactions occur. Do not use if seal under cap is broken or missing.

Not intended for use by persons under the age of 18. Keep out of reach of children.

Formulation Notes

Guaranteed quality Laboratory tested Made in the USA with select ingredients from around the world

Non-GMO, no artificial color, no artificial flavor, no artificial sweetener, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free.

Standardized extract Promotes a positive mood Herbal health

Additional Information

50 years of trusted quality At Nature's Bounty, we are committed to your health. For 50 years we have been making trusted products, backed by science, and made with only the purest ingredients...guaranteed. So you can get the most out of life every day.

Nutrition questions or comments? Call 1-800-433-2990 Mon. - Sat. 9AM - 7 PM ET Sign up for news and offers at NaturesBounty.com

Store at room temperature.

Metadata

Product Details

UPC / SKU0 74312 36551 5
DSLD Entry Date2024-05-23
Product TypeBotanical
FormCapsule
DSLD ID308209
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.