St. John's Wort 300 mg
by Natural Factors HerbalFactors · capsule · 180 capsules
- On the market (NIH)
- UPC 0 68958 04821 5
- DSLD label 76444
- Serving 1 capsule
St. John's Wort 300 mg by Natural Factors HerbalFactors lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 300 mg of St. John's wort extract. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2017.
What is in St. John's Wort 300 mg?
Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| St. John's Wort extract | 300 mg | 37% of 338 products listing St. John's wort give more (median 300 mg). Per day at the most servings: 900 mg. | |
| HypericinHypericin Note: 0.3% | 900 mcg | 45% of 33 products listing hypericin give more (median 900 mcg). Per day at the most servings: 2,700 mcg. |
Source: NIH ODS Dietary Supplement Label Database, label 76444 (entered July 25, 2017), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 2 to 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- St. John's Wort Extract With Hypericin 300 mgNatural Factors · off the market same ingredients
- St. John's Wort Extract With HypericinNatural Factors · off the market same ingredients
- St. John's WortNatural Factors HerbalFactors · off the market same ingredients
- St. John's Wort 300 mgSolaray same ingredients
- St. John's WortGaia Herbs same ingredients
- St. John's WortDaVinci Laboratories Of Vermont same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Usage: 1 capsule 2-3 times per day with meals or as directed by a health professional.
- Warnings
- Warning: For occasional use only. May cause drowsiness. Do not drive or engage in activities requiring alertness.
- Do not take with other sedative medication or alcohol.
- Do not exceed recommended dose except on the advice of a health professional.
- Do not take if you are pregnant or breastfeeding except on the advice of a health professional. Medication may cause increased photosensitivity; avoid prolonged exposure to sunlight.
- Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.
- Keep out of the reach of children.
- Sealed for your protection. Do not use if seal is broken.
- Allergens and what it does not contain
- Contains no artificial colors, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, salt, tree nuts, or GMOs.
- Storage
- For freshness, store in a cool, dry place.
Source: label statements in DSLD label 76444.
What else is on the label?
Other ingredients: Rice powder, Gelatin capsule, Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): isura Non-GMO - Mass spec Documentation - Lab tested; Purity & potency guaranteed.
How many labels does St. John's Wort 300 mg have?
2 labels are on file under this name since July 25, 2017: other sizes, label designs and reformulations. The current one leads this page.
- Label 76444 (current) Entered July 25, 2017 · on the market · 180 capsules · UPC 0 68958 04821 5
- Label 76441 Entered July 25, 2017 · on the market · 90 capsules · UPC 0 68958 04820 8
DSLD also links this label to: St. John's Wort (package size difference, same product), St. John's Wort (image difference, same product), St. John's Wort (package size difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natural Factors Canada (manufacturer). All Natural Factors HerbalFactors products.