St. John's Wort 0.3% Hypericin

Botanicals & Herbs

Brand: Herb Xtra

CapsuleOn Market
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Net Contents

60 Capsule(s); 300 mg

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 77949 99903 9

Product Version

Not specified

Suggested Use

Use: As a Herbal Supplement: 1 to 2 capsules 3 times daily with a glass of water.

Market Reference

$4.89 – $124.99· 40 listings
  • Planetary Herbals St. John's Wort Extract 300 mg

    Chinese Herbs Direct5.0(3)
    $25.76
  • St. John's Wort

    Curated Wellness5.0(1)
    $22.99
  • Healths Harmony St. John's Wort

    eBay - vcxkklx34.7(241)
    $23.71
  • St. John's Wort 90 Capsules Vitanica

    Walmart - Seller4.0(2)
    $22.99
  • 120pcs St. John's Wort 6000mg - 0.3% Hypericin-stress Anxiety

    eBay - vcxkklx3
    $12.48
  • SuperSmart St John's Wort Extract 900mg

    SuperSmart USA4.4(10)
    $20.00
  • Source Naturals St John's Wort Extract

    Chinese Herbs Direct4.5(13)
    $8.46
  • Vital Nutrients Hypericum Extract 0.3% 300mg 90 Capsules

    Pure Prescriptions5.0(1)
    $22.99

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Research & Studies

  • First-episode psychosis after taking an extract of Hypericum perforatum (St John's Wort).

    K Shimizu, M Nakamura, K Isse… - Human …, 2004 - search.ebscohost.com

    … (St John’s Wort) has been used as a medicinal herb. In the … day (300mg per tablet, 0.3% hypericin content) and the dose … Biperiden 3mg per day was added for extra-pyramidal signs, …

    200413 citations
  • Evaluation of the Effect of Hypericum triquetrifolium Turra on Memory Impairment Induced by Chronic Psychosocial Stress in Rats: Role of BDNF

    KH Alzoubi, L Abdel-Hafiz, OF Khabour… - Drug Design …, 2020 - Taylor & Francis

    … activity as well as high hypericin content, a component that … equivalent volumes of the vehicle (0.3% DMSO and 0.1 M … Numerous extra-maze cues were pasted on the walls around …

    202030 citations
  • Comparison of efficacy of topical phenytoin with hypericin in second-degree burn wound healing: an experimental study in rats

    H Sayar, N Gergerlioglu, N Seringec… - Medical science …, 2014 - pmc.ncbi.nlm.nih.gov

    … These products include various pharmacological and herbal … The cream (PHT/HP) stuck to the burn wound, and no extra … activity was blocked by incubation with 0.3% H 2 O 2 for 10 min (…

    201486 citations
  • Diverse therapeutic potentials of hypericin: an in-depth review

    SK Maurya, S Divakar, S Rathee… - Current Topics in …, 2025 - benthamdirect.com

    … Extra hypericin was obtained from extraction cycles 2 and 3, … , ranging from 2.0 to 2.6 hours (0.3 to 1.1 hours). Areas under the … The dosage for Saint John's Wort varies on its hypericin …

    202511 citations
  • The antimycobacterial activity of Hypericum perforatum herb and the effects of surfactants

    S Shen - 2012 - search.proquest.com

    … This research investigated the potential of the hypericum perforatum herb as … hypericin are contradictory and none of the suggested action mechanisms are widely accepted. Hypericin is …

    20121 citations
  • The example of St John's wort

    J Cott - Dietary Supplements of Plant Origin: A Nutrition and …, 2003 - books.google.com

    … , illustrative herb-drug interactions, especially St John's wort ( Hypericum perforatum , SJW). … The subjects then took 300 mg SJW (0.3 per cent hypericin) 3 times daily with meals and …

    2003

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-01-25. DSLD Label ID: 17604. 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.