PlainVitamins

St. John's Wort '300' Herb Extract

by Solgar · capsule · 50 vegetable capsules

  • Off the market since November 2019 (NIH)
  • UPC 0 33984 04150 9
  • DSLD label 45203
  • Serving 1 vegetable capsule

St. John's Wort '300' Herb Extract by Solgar lists 3 ingredients, 3 with an amount per serving of 1 vegetable capsule, such as 300 mg of standardized St. John's wort extract and 100 mg of raw St. John's wort powder. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2015.

What is in St. John's Wort '300' Herb Extract?

Each row as the label prints it, per serving of 1 vegetable 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).

St. John's Wort '300' Herb Extract: Supplement Facts rows against the market (DSLD label 45203, January 2026 release)
IngredientAmount% DVAmong products listing it
Standardized St. John's Wort extract300 mgSt. John's Wort in St. John's Wort '300' Herb Extract against 338 products400 mg per serving; the middle half of products list 250 mg to 450 mg, the median 300 mg.400 mg

Higher than 67% of 338 products listing St. John's wort (median 300 mg).

HypericinHypericin Note: 0.3%1 mgHypericin in St. John's Wort '300' Herb Extract against 33 products1,000 mcg per serving; the middle half of products list 900 mcg to 1,800 mcg, the median 900 mcg.1,000 mcg

Higher than 55% of 33 products listing hypericin (median 900 mcg).

raw St. John's Wort powder100 mg

Source: NIH ODS Dietary Supplement Label Database, label 45203 (entered May 22, 2015), 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 one serving 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.

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 USE: As an herbal dietary supplement for adults, take one (1) vegetable capsule daily, preferably at mealtime, or as directed by a healthcare practitioner.
Warnings
If you are taking any medication or have a medical condition please consult your physician before taking this product.
The use of this product may result in a photosensitivity reaction.
DO NOT USE IF OUTER BOTTLE SEAL IS MISSING, TORN OR DAMAGED IN ANY WAY.
Keep out of reach of children.
Not for use during pregnancy and lactation unless directed by a healthcare practitioner.
Should not be taken with tyramine containing foods, such as aged cheeses and meats.
Allergens and what it does not contain
Solgar’s St. John’s Wort ‘300’ Herb Extract Vegetable Capsules are free of sugar, salt, corn, yeast, wheat, soy, gluten, dairy and animal products and are formulated without the use of artificial preservatives, flavors or colors.
Storage
To assure freshness and potency, store at room temperature 59(0)-86(0)F (15(0)-30(0)C). Store away from heat, light and moisture.

Source: label statements in DSLD label 45203.

What else is on the label?

Other ingredients: Vegetable Cellulose, Vegetable Magnesium Stearate, PhytO2X Blend.

How many labels does St. John's Wort '300' Herb Extract have?

3 labels are on file under this name since May 22, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 45203 (current) Entered May 22, 2015 · off the market November 18, 2019 · 50 vegetable capsules · UPC 0 33984 04150 9
  2. Label 45200 Entered May 22, 2015 · off the market November 18, 2019 · 150 vegetable capsules · UPC 0 33984 04153 0
  3. Label 45152 Entered May 22, 2015 · off the market November 18, 2019 · 60 vegetable capsules · UPC 0 33984 04149 3

DSLD also links this label to: St. John's Wort Herb Extract (package size difference, same product), St. John's Wort Herb Extract (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 SOLGAR VITAMIN AND HERB (manufacturer), LEONIA, N.J., U.S.A.. All Solgar products.

Where next?