St. John's Wort 450®
Botanicals & HerbsBrand: Source Naturals
Functions
Net Contents
45 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 21078 01175 0
Product Version
SN1175 REV I152
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegetarian, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Egg
- Wheat
- Soy
- Gluten
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.
Supplement Facts
Serving Size: 1 Tablet(s) · 2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| St. John's Wort | 450 mg | — |
| Hypercins | 1.35 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: 1 tablet twice daily. To obtain the best results, use this product for at least 6 weeks.
Warnings & Precautions
Precautions re: All Other
Do not use if either tamper-evident seal is broken or missing.
Precautions re: Children
Keep out of the reach of children.
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Do not use this product while taking any medication or if you have a medical condition, without the advice of your physician or pharmacist. St. John’s wort is known to interfere with many prescription and non-prescription drugs, including oral contraceptives, antibiotics, antidepressants, anticoagulants, antihistamines, immunosuppressants, corticosteroids, diabetes drugs, antiviral, antiseizure, anticancer and cardiovascular drugs.
Precautions re: All Other
It may also cause increased photosensitivity; limit exposure to UV radiation.
Precautions re: Pregnant or Nursing or Prescription Medications
If you are pregnant, may become pregnant, or breastfeeding, consult your healthcare professional before using this product.
Formulation
Formula re: Contains
Standardized to 0.3% hypericins
Formula re: Contains
Source Naturals St. John's Wort 450 is standardized to consistently supply 0.3% hypericins.
Formulation re: Vegetarian/Vegan
Suitable for Vegetarians.
Formulation re: Does NOT Contain
Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Other Label Statements
General Statements: All Other Content
Supports a positive mental outlook 450 mg
General Statements: All Other Content
A daily intake of St. John’s wort standardized to 2.7 mg hypericins may support a positive outlook and mood. Benefits may be experienced within 4 to 6 weeks of initial use.
General Statements: All Other Content
Note: Natural plant variations may affect tablet color.
General: Product/Version Code
SN1175 REV I152
Manufacturer & Distributor
Distributor
Source Naturals, Inc.
P. O. Box 2118, Santa Cruz, CA, 95062
Market Reference
Source Naturals St. John's Wort Extract 450
iHerb4.5(85)$23.46
Source Naturals St. John's Positive Thoughts Tablets
The Food Mill4.7(357)$14.10
Source Naturals St John's Wort Extract
Chinese Herbs Direct4.5(13)$27.82
Source Naturals St. John's Positive Thoughts 45 Tablets
GoSupps.com4.7(357)$34.99
Source Naturals Diet-Phen Classic 180 Tablets
PureFormulas.com3.0(2)$15.05
plnt St. John's Wort
The Vitamin Shoppe$17.99
St.john's wort Sale
Neovitale4.7(3100)$31.25
Herbal Roots St Johns Wort Capsules
ravir.de4.5(2)$11.20
Where to Buy Locally
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.
Nutri-One
5.0 (32)Vitamin & supplements store
4391 Gateway Park Blvd, Sacramento, CA 95834
Research & Studies
St. John's wort and depression: efficacy, safety and tolerability-an update
AR Bilia, S Gallori, FF Vincieri - Life sciences, 2002 - Elsevier
… John's wort (Hypericum perforatum L.) is a medicinal plant traditionally used, both externally … In the last two decades many studies have proved the efficacy of some St. John's wort …
2002308 citationsSt 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
… A randomised, double-blind phase I study involving 55 healthy volunteers who received St John’s wort 900 mg daily (containing 0.5% hyperforin), St John’s wort 900 mg daily (…
20011,219 citationsClinical assessment of CYP2D6‐mediated herb–drug interactions in humans: Effects of milk thistle, black cohosh, goldenseal, kava kava, St. John's wort, and …
BJ Gurley, A Swain, MA Hubbard… - Molecular nutrition & …, 2008 - Wiley Online Library
… John's wort, and Echinacea extract supplementation on DURR are shown in Fig. 1 and Table 1… John's wort (Hypericum perforatum) on cytochrome P-450 2D6 and 3A4 activity in healthy …
2008238 citationsSafety of St John's wort (Hypericum perforatum)
QY Yue, C Bergquist, B Gerdén - The Lancet, 2000 - thelancet.com
… St John’s wort can lower the plasma concentrations of amitriptyline, thereby providing additional evidence that some St John’s wort … interactions with St John’s wort. Second, because it …
2000396 citationsThe effects of St John's wort (Hypericum perforatum) on human cytochrome P450 activity
Z Wang, JC Gorski, MA Hamman… - Clinical …, 2001 - Wiley Online Library
… by 57% in 8 healthy volunteers after oral administration of St John’s wort (300 mg 3 times a day… John’s wort (Hypericum perforutum) on cytochrome P-450 2D6 and 3A4 activity in healthy …
2001514 citationsInteraction of St John's wort with conventional drugs: systematic review of clinical trials
E Mills, VM Montori, P Wu, K Gallicano, M Clarke… - Bmj, 2004 - bmj.com
… the interaction between St John's wort and the conventional … before and after challenge with St John's wort. We used the … St John's wort (Hypericum perforatum) on cytochrome P-450 …
2004162 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: 77503. 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.
