Hypericum Perforatum II St. John's Wort Extract

Botanicals & Herbs

Brand: HBC Protocols

Tablet or PillOn Market
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Net Contents

280 Tablet(s); 300 mg

Serving Size

1 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

Not specified

Product Version

Not specified

Suggested Use

Directions for Use: Adults: as a dietary supplement; take one tablet three times daily.

Market Reference

$2.95 – $370.00· 40 listings
  • HYPERICUM PERFORATUM TINCTURE 50ML

    BeeHealthy Homeopathic
    $19.99
  • Healths Harmony St. John's Wort

    Target4.7(241)
    $16.95
  • Boiron Hypericum Perforatum

    Boiron USA4.7(252)
    $8.49
  • Mountain Rose Herbs St John's Wort Extract Organic

    Mountain Rose Herbs4.9(8)
    $12.75
  • St. John's Wort Herbal Extract 4 oz

    Red Moon Herbs
    $56.00
  • St. John's Wort Extract (Hypericum Perforatum Extract) 5 kg / Propylene Glycol

    coniuncta.com
    $370.00
  • St. John’s Wort Extract

    Cheryls Herbs Group
    $140.00
  • BulkSupplements.com St. John's Wort Extract

    BulkSupplements.com4.6(167)
    $30.97

Where to Buy Locally

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Research & Studies

  • A Phase II study of St. John's Wort for smoking cessation

    S Lawvere, MC Mahoney, KM Cummings… - … Therapies in Medicine, 2006 - Elsevier

    … John's Wort, hypericum perforatum, for smoking cessation. … At the baseline visit, eligibility was re-confirmed, a medical … was obtained from the HBC Protocols Company which used …

    200633 citations
  • The efficacy of St. John's wort for smoking cessation: A pilot study. A study of hypericum to end smoking (ASHES)

    S Lawvere - 2004 - search.proquest.com

    … Although the web-based HBC Protocols Company is located … This study found that neither hypericum perforatum nor … that 900 mg of hypericum daily (as either 450 mg two times daily or …

    20042 citations
  • Interaction of St. John's Wort with oral contraceptives: effects on the pharmacokinetics of norethindrone and ethinyl estradiol, ovarian activity and breakthrough …

    PA Murphy, SE Kern, FZ Stanczyk, CL Westhoff - Contraception, 2005 - Elsevier

    … 300 mg three times daily was then added for two additional 28-… John's Wort (Hypericum perforatum) is a popular herbal remedy … John's Wort was the Hypericum Buyers Club (HBC), the …

    2005242 citations
  • Risk assessment of herbal preparations containing St John's wort

    L De Wit, S Jeurissen, W Chen - 2021 - rivm.openrepository.com

    … St John’s wort (Hypericum perforatum L.) is used in food … A wide range of food supplements containing St John’s wort can … In the second part of the study, 13 healthy volunteers received …

    20217 citations
  • St. John's wort (Hypericum perforatum): a review of the current pharmacological, toxicological, and clinical literature

    JM Greeson, B Sanford, DA Monti - Psychopharmacology, 2001 - Springer

    … were necessary in order to elucidate the safety and efficacy of the extract. In 1996, a meta… John’s wort – a single blind neurophysiological study in healthy human subjects comparing two …

    2001578 citations
  • Complementary and Alternative Medicine: Lack of Pharmacokinetic Interaction Between St. John's Wort and Prednisone

    EC Bell, WR Ravis, HM Chan… - Annals of …, 2007 - journals.sagepub.com

    … John's wort (SJW; Hypericum perforatum) is a popular di… II SJW also interacts with HIV protease inhibitors, as evidenced … from HBC Protocols (Santa Monica, CA). Uncoatedprednisone …

    200743 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-07-25. DSLD Label ID: 11365. 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.