St. John's Wort Extract 300 mg®

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.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Tablet(s) · 3 per day

Not Present

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  Source Naturals St John's Wort Extract

  Herbs Direct4.4(12)

  $15.43
• 

  Source Naturals St. John's Wort Extract 450

  iHerb4.5(86)

  $23.46
• 

  Source Naturals St. John's Positive Thoughts 90 Tablets

  iHerb4.7(167)

  $17.43
• 

  Source Naturals, St. John's Wort, 300 mg, 45 Tabs

  HerbsPro.com4.4(12)

  $7.35
• 

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

  Walmart4.6(194)

  $11.88
• 

  Source Naturals St. John's Positive Thoughts Tablets

  Herbs Direct4.7(159)

  $10.52
• 

  Swanson Vitamins St. John's Wort Extract

  Swanson Health Products4.7(282)

  $10.61
• 

  St John's Wort 300mg

  Walmart - Carlyle Nutritionals, LLC5.0(1)

  $9.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

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• mystorenutrition integratori sport benessere e spedizioni express

  5.0 (120)

  Sports nutrition store

  S.da Statale 19 delle Calabrie, 61, 87050 Pian del Lago CS

  Directions320 199 8104

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

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

  … -D) score of at least 20] in 11 academic medical centers in the United States. After a 1-week, … receive either St John’s wort extract (n=98; 900 mg/day for 4 weeks, increased to 1200 mg/…

  2004234 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

  … St John’s wort extract (LI 160S) 600 mg, 300 mg, or placebo, on hormone concentrations in 12 healthy … I study involving 55 healthy volunteers who received St John’s wort 900 mg daily (…

  20011,226 citations

• Effects of St John's wort (Hypericum perforatum L.) extract on plasma androgen concentrations in healthy men and women: a pilot study

  JL Donovan, CL DeVane, JG Lewis… - … Evaluation of Natural …, 2005 - Wiley Online Library

  … source and employed the recommended dosage for depression of one tablet, which according to the label, contained 300 mg of SJW extract … All subjects were determined to be healthy …

  200521 citations

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

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

  … In the second part of the study, 13 healthy volunteers received 300 mg St John’s wort extract three times a day for 14 days, and blood and urine samples were collected at different time …

  20217 citations

• Clinical relevance of St. John's wort drug interactions revisited

  S Nicolussi, J Drewe, V Butterweck… - British journal of …, 2020 - Wiley Online Library

  … The first clinically relevant reports of preparations of St. John's wort (SJW), a herbal medicine with anti-depressant effects, interacting with other drugs, altering their bioavailability and …

  2020242 citations

• Hypericum perforatum (St John's wort) for attention-deficit/hyperactivity disorder in children and adolescents: a randomized controlled trial

  W Weber, A Vander Stoep, RL McCarty, NS Weiss… - Jama, 2008 - jamanetwork.com

  … the Bastyr Center for Natural Health and naturopathic physician … , the Bastyr Center for Natural Health newsletter, the Bastyr … information on the child's medical and family history; …

  2008163 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-08-22. DSLD Label ID: 77493. 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.