Standardized St. John's Wort Flower Extract®

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 Capsule(s) · 1 per day

Not Present

• 

  Bluebonnet St. John's Wort Flower Extract

  Eisler's Chemist

  $18.95
• 

  Bluebonnet Standardized St. John's Wort Flower Extract

  Instacart

  $17.49
• 

  St.Johns Wort 4:1 Standardized Leaf & Flower Fine Powder Extract

  Prescribed For Life

  $69.99
• 

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

  Puritan's Pride4.8(115)

  $15.59
• 

  Swanson Vitamins St. John's Wort Extract

  Swanson Health Products4.7(282)

  $10.61
• 

  Nature's Way St John's Wort Standardized

  Nature's Way4.4(122)

  $23.99
• 

  Mountain Rose Herbs St John's Wort Extract Organic

  Mountain Rose Herbs4.9(8)

  $12.75
• 

  Nature's Truth St. John's Wort

  Walmart4.8(41)

  $8.48Lowest

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

Showing representative supplement & health retailers — search above for stores in your area.

• The Vitamin Shoppe

  4.4 (108)

  Vitamin & supplements store

  2405 Miamisburg Centerville Rd B-1, Dayton, OH 45459

  Directions(937) 439-0925

• Basic Vitamins

  3.5 (11)

  Vitamin & supplements store

  300 Corporate Center Dr, Vandalia, OH 45377

  Directions(800) 426-4010

• Dayton Nutra Foods

  4.7 (20)

  Vitamin & supplements store

  5294 Salem Ave, Trotwood, OH 45426

  Directions(937) 854-9100

• GNC

  3.9 (48)

  Vitamin & supplements store

  8233 Old Troy Pike, Huber Heights, OH 45424

  Directions(937) 237-9099

• Nutra Foods Huber Heights

  4.6 (39)

  Health food store

  6463 Chambersburg Rd, Huber Heights, OH 45424

  Directions(937) 233-9726

• Health Foods Unlimited

  4.5 (558)

  Vitamin & supplements store

  2250 Miamisburg Centerville Rd, Dayton, OH 45459

  Directions(937) 433-5100

• Healthy Alternative

  4.3 (70)

  Vitamin & supplements store

  8258 N Main St, Dayton, OH 45415

  Directions(937) 890-8000

• Whole Health For the Whole

  4.8 (24)

  Health food store

  22 S Weston Rd, Troy, OH 45373

  Directions(937) 552-9137

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

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

  … is defined as Hyperici herba, with the definition ‘whole or fragmented, dried flowering tops of … the Hypericum extract LI 160 (300 mg per tablet, standardized to 900 µg of total hypericin) in …

  20217 citations

• St. John's wort

  RW Coppock, M Dziwenka - Nutraceuticals, 2016 - Elsevier

  … Hypericum extracts that meet recognized standards are indicated therapeutics for mild to … medical literature to support efficacy for this indication. The side effects of Hypericum extracts …

  201615 citations

• St. John's wort

  JT Schwarz, MJ Cupp - Toxicology and Clinical Pharmacology of Herbal …, 2000 - Springer

  … flower extracts correlates with the extracts' abilities to inhibit binding of radiolabeled … 9.2 mg/L after she began taking a St. John's wort preparation standardized to 0.3% hypericin. Other …

  200010 citations

• Impact of hypericum (St.-John's-wort) given prenatally on cognition of mice offspring

  WF Rayburn, CL Gonzalez, HD Christensen… - Neurotoxicology and …, 2001 - Elsevier

  … in the middle range of standardized hypericum products. One … extracts from the plant Hypericum perforatum (St.-John's-wort… content is used for standardization of the hypericum extracts. …

  200138 citations

• This Is Your Brain On Supplements

  K Chiarello-Ebner - wholefoodsmagazine.com

  … will support these key cells and help keep our entire bodies in healthy working order. … Choline is a vitamin B-like nutrient needed for healthy brain function. Levy says “choline enhances …

• The effect of St John's wort extracts on CYP3A: a systematic review of prospective clinical trials

  DL Whitten, SP Myers, JA Hawrelak… - British journal of …, 2006 - Wiley Online Library

  Aim The aim of this systematic review was to assess the quality and outcomes of clinical trials investigating the effect of St John’s wort extracts on the metabolism of drugs by CYP3A. …

  2006179 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-08-31. DSLD Label ID: 180005. 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.