Standardized St. John's Wort 300 mg Herbal Extractnone

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

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

Serving Size: 1–2 Capsule(s) · 1 per day

Not Present

• 

  Swanson Vitamins St. John's Wort Extract

  iHerb4.7(282)

  $11.79
• 

  Puritan's Pride St. John's Wort Standardized Extract mg

  Puritan's Pride4.8(115)

  $15.59
• 

  Nature's Way St John's Wort Standardized

  Nature's Way4.4(122)

  $23.99
• 

  Nature's Truth St. John's Wort

  Walmart4.8(41)

  $8.48
• 

  Nature's Bounty St. John's Wort 300 mg

  Vitacost.com4.6(194)

  $11.88
• 

  NOW St. John's Wort

  Swanson Health Products4.6(842)

  $10.15
• 

  St John's Wort 300mg

  Walmart - Carlyle Nutritionals, LLC5.0(1)

  $9.99
• 

  St. John's Wort 300 Mg Standardized Assured Potency 0.3% Hypericin

  EarthTurns.com

  $12.75

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• Fitpoint.ee Haabersti

  4.8 (137)

  Vitamin & supplements store

  Haabersti tn 1, 13516 Tallinn, Estonia

  Directions+372 5689 8347

• Medical attributes of St. John's wort (Hypericum perforatum)

  KM Klemow, E Bilbow, D Grasso, K Jones… - Oxidative Stress and …, 2004 - taylorfrancis.com

  … monographs recommend 900 mg of standardized extract per day (7, … The main antibacterial principle was determined to be … taken as dietary supplements may lead to other interactions. …

  2004234 citations

• Effectiveness of St John's wort in major depression: a randomized controlled trial

  RC Shelton, MB Keller, A Gelenberg, DL Dunner… - Jama, 2001 - jamanetwork.com

  … Alternative health care approaches such as herbs are used … tolerability of a standardized extract of St John's wort for the … by random coefficient analyses (treatment main effect: F 1,98 = …

  2001677 citations

• The extent of induction of CYP3A by St. John's wort varies among products and is linked to hyperforin dose

  SC Mueller, J Majcher-Peszynska, B Uehleke… - European journal of …, 2006 - Springer

  … Since SJW products vary in the amount of HYF and other main … as over-the-counter drugs or dietary supplements. Like other … used for standardization purposes, the active principle of St. …

  2006164 citations

• Determination of St. John's wort components in dietary supplements and functional foods by liquid chromatography

  CYW Ang, Y Cui, HC Chang, W Luo… - Journal of AOAC …, 2002 - academic.oup.com

  … were standardized to 0.3% HP content, as claimed on the labels. One brand contained extra-strength SJW herb extract … Simple procedures for methanol extraction of solid products or …

  200240 citations

• St John's wort (Hypericum perforatum L.): a review of its chemistry, pharmacology and clinical properties

  J Barnes, LA Anderson… - Journal of pharmacy and …, 2001 - Wiley Online Library

  … subjects who received vitamin E with St John’s wort, compared with … of the main reasons for consumers’ use of St John’s wort rather … St John’s wort products are usually standardised on …

  20011,226 citations

• Lessons learned from herbal medicinal products: the example of St. John's wort

  A Nahrstedt, V Butterweck - Journal of Natural Products, 2010 - ACS Publications

  … on the market as botanical dietary supplements. More than 50 … to the main components mentioned above, some plant acids … the mechanisms of action of a standardized H. perforatum …

  2010222 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-06-24. DSLD Label ID: 204306. 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.