St. John's Wort 300 mgnone

Botanicals & Herbs

Brand: Quest

CapsuleBotanicalOff Market
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Net Contents

90 Capsule(s)

Serving Size

3 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

0 58371 21802 9

Product Version

338443.01-05

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 3 Capsule(s) · 1 per day

IngredientAmount Per Serving
St. John's Wort (Hypericum perforatum) flower extract(Hypericin)300 mg—

Not Present

Other Ingredients

Microcrystalline CelluloseMagnesium StearateSilicon DioxideGelatin

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Recommended Use: Used in Herbal Medicine to help relieve restlessness and/or nervousness. Helps promote a healthy mood balance and relieve sleep disturbances associated with mood imbalance. Recommended Dose (Adults): Take 3 capsules daily. Use for a minimum of one week to see beneficial effects. Consult a health care practitioner for use beyond 18 weeks.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Risk Information: Consult a health care practitioner prior to use if pregnant, breastfeeding or taking anti-anxiety medications, seizure medications, antihistamines, bronchodilators, muscle relaxants and/or opiates. Do not use if taking anti-cancer medications, blood thinners, antidepressants medications e.g. selective serotonin reuptake inhibitors (SSRI), anti-HIV agents, cardiovascular medications, immunosuppressants and/or contraceptive medications.

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

DO NOT USE IF SEAL UNDER CAP IS BROKEN.

Precautions re: All Other

Avoid prolonged exposure to sunlight, ultraviolet light (UV) or UV therapy. Consult a health care practitioner if symptoms persist or worsen.

Precautions re: Allergies

Hypersensitivity, such as allergy, has been known to occur; in which case, discontinue use.

Precautions re: All Other

Some people may experience mild gastrointestinal disturbances, nausea, restlessness and/or headaches.

Storage

Storage

STORE IN A COOL, DRY PLACE.

Formulation

Formulation re: Does NOT Contain

This product does not contain corn, dairy, egg, gluten, shellfish, soy or sulfites.

Formulation re: Does NOT Contain

No artificial colours, flavours or preservatives

Other Label Statements

General Statements: All Other Content

WELLNESS

General Statements: All Other Content

Traditional sedative for relief of restlessness

Seals/Symbols

PREMIUM - QUALITY ASSURED

General: Product/Version Code

338443.01-05

Seals/Symbols

{Recycle}

Seals/Symbols

SunOpta A healthy products company

General Statements: All Other Content

A Proud Canadian Company

Manufacturer & Distributor

Manufacturer

SunOpta Inc.

6 Commerce Crescent, Acton, ON, L7J 2X3

Other

1-877-929-2548

Market Reference

$6.79 – $59.99· 27 listings
  • Nature's Bounty St. John's Wort 300 mg

    Walmart4.6(192)
    $8.37
  • St John's Wort 300mg

    Horbäach
    $9.29
  • Spring Valley St. John"s Wort Capsules

    Walmart4.5(124)
    $11.82
  • NOW St. John's Wort 300 mg

    Swanson Health Products4.6(857)
    $10.69
  • GNC Herbal Plus St. John's Wort Extract 300Mg

    GNC4.4(36)
    $29.99
  • Puritan's Pride St. John's Wort Standardized Extract mg

    Puritan's Pride5.0(25)
    $10.91
  • Swanson Vitamins St. John's Wort Extract

    iHerb4.7(282)
    $7.69
  • Botanic Choice St. John's Wort 300 mg

    Botanic Choice5.0(2)
    $10.00

Where to Buy Locally

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Research & Studies

  • Dietary supplements

    PB Massey - Medical Clinics, 2002 - medical.theclinics.com

    … St. John's wort usually is dosed at 300 mg (commonly a standardized 0.3% hypericin extract, but a few products may be standardized to a 2% to 3% hyperforin extract) three times per …

    200243 citations
  • User's Guide to St. John's Wort

    L Vukovic - 2002 - books.google.com

    … lar health … John's wort is one of the most prescribed treatments for mild to moderate cases of depression in Germany, and has become one of the top ten bestselling dietary supplements …

    20022 citations
  • Evaluation of the herb-drug interaction potential of commonly used botanicals on the US market with regard to PXR-and AhR-mediated influences on CYP3A4 and …

    MH Haron, O Dale, K Martin, B Avula… - … dietary supplements, 2023 - Taylor & Francis

    … In our continued quest to address the safety of botanical … ability to activate hPXR and hAhR and determine if another St. … for added health benefits in managing chronic diseases. …

    202313 citations
  • Safety Data on Hypericum perforatum L. products: Phenolic profiles, antioxidant activity, and trace element assessment

    ÖF Tavli, N Aobuliaikemu, Ö Hazman… - Journal of Research …, 2025 - dergipark.org.tr

    … to a quest for safer and more affordable medications to promote health. Additionally, the World … LC-DAD-ESI-MS/MS-based phenolic profiling of St John’s Wort Teas and their antioxidant …

    20251 citations
  • Herbal supplements and the brain: understanding their health benefits and hazards

    SJ Enna, S Norton - 2012 - books.google.com

    … John's wort, drifting away with valerian, or reaching a ripe old age with Gingko, this book gives insights into the pros and cons of taking herbal supplements. … in the ongoing quest for …

    201214 citations
  • Herbal monographs including herbal medicinal products and food supplements

    M Spiteri - 2011 - um.edu.mt

    … available in Maltese community pharmacies and health food … This book aims to address the practical needs of all healthcare … Both food supplements and herbal medicinal products were …

    201123 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-07-25. DSLD Label ID: 24064. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.