St John's Wort Extract

product on market Capsule SuperSmart 🟢 Safety: 100/100
Brand: SuperSmart
🟢 100/100

This product looks safe

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

Product Label

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Label Data

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

Supplement Facts — Evidence Check

900 mg
📊 Market median: 300.0mg (240 products) 📚 11 studies — no high-quality reviews
This product: 900mg

Other Ingredients

Acacia Gum

Label Claims — Verification

❓ All Other
All Other (99% of products) Structure/Function (78% of products) Nutrient (2% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Adults. Take 3 capsules per day (one with each meal).

⚠️ Warnings & Precautions

Precautions: Do not exceed the recommended daily dose. This product is a nutritional supplement and should not be used to replace a varied, balanced diet or healthy lifestyle.

Keep out of young children's reach.

As with all nutritional supplements, consult a health professional before taking if you are pregnant, breastfeeding or suffer from a health problem.

🧪 Formulation Notes

Each capsule contains 300 mg of St John's wort extract.

Additional Information

Store away from light, heat and humidity.

Product Details

UPC / SKU 5 453003 820710
DSLD Entry Date 2025-09-25
Product Type Botanical
Form Capsule
Brand SuperSmart
DSLD ID 339897
Data Updated 2026-04-11

Research Evidence

43 Research Sources
48 Avg Quality Score
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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