PlainVitamins

St. John's Wort

by Wonder Laboratories · capsule · 240 capsules

  • On the market (NIH)
  • UPC 0 99528 27224 2
  • DSLD label 315252
  • Serving 1 to 2 capsules; amounts per 1 capsule
  • 240 servings

St. John's Wort by Wonder Laboratories lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 300 mg of St. John's wort flower, leaf extract, 15 mg of valerian root extract and 15 mg of passionflower aerial part extract. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in St. John's Wort?

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).

St. John's Wort: Supplement Facts rows against the market (DSLD label 315252, January 2026 release)
IngredientAmount% DVAmong products listing it
St. John's Wort Flower, Leaf Extractas St. John's Wort Flower Extract, St. John's Wort Leaf Extract0.3% hypericin300 mgSt. John's Wort in St. John's Wort against 338 products300 mg per serving; the middle half of products list 250 mg to 450 mg, the median 300 mg.300 mg

37% of 338 products listing St. John's wort give more (median 300 mg). Per day at the most servings: 900 mg.

Valerian Root Extract4:115 mgValerian in St. John's Wort against 647 products15 mg per serving; the middle half of products list 80 mg to 450 mg, the median 200 mg.15 mg

96% of 647 products listing valerian give more (median 200 mg). Per day at the most servings: 45 mg.

Passionflower Aerial Part Extract4:115 mgPassionflower in St. John's Wort against 562 products15 mg per serving; the middle half of products list 40 mg to 200 mg, the median 100 mg.15 mg

91% of 562 products listing passionflower give more (median 100 mg). Per day at the most servings: 45 mg.

Source: NIH ODS Dietary Supplement Label Database, label 315252 (entered August 22, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 96% of the 647 products that print an amount of valerian list more than its 15 mg of valerian (median 200 mg).
  • 91% of the 562 products that print an amount of passionflower list more than its 15 mg of passionflower (median 100 mg).

The NIH database records 1 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?

3 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
Directions: Take 1 to 2 capsules one to three times daily.
Warnings
Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Warning: Use sunscreen during exposure to the sun while using this product.
If you are pregnant, nursing or taking any prescription medication consult your doctor before taking this product.
Keep out of reach of children.
Allergens and what it does not contain
Gluten free
Storage
Keep tightly closed. Store at room temperature 59 Degrees - 86 Degrees F (15 Degrees to 30 Degrees C).

Source: label statements in DSLD label 315252.

What else is on the label?

Other ingredients: Cellulose, Gelatin, Silica, Magnesium Stearate.

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

7 labels are on file under this name since March 24, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 315252 (current) Entered August 22, 2024 · on the market · 240 capsules · UPC 0 99528 27224 2
  2. Label 262105 Entered December 18, 2021 · on the market · 240 capsules
  3. Label 262104 Entered December 18, 2021 · off the market October 24, 2022 · 120 capsules · UPC 0 99528 27212 9
  4. Label 262103 Entered December 18, 2021 · on the market · 60 capsules · UPC 0 99528 27260 0
  5. Label 215635 Entered March 24, 2020 · on the market · 240 capsules · UPC 0 99528 27260 0
  6. Label 215631 Entered March 24, 2020 · on the market · 120 capsules · UPC 0 99528 27224 2
  7. Label 215626 Entered March 24, 2020 · on the market · 60 capsules · UPC 0 99528 27212 9

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Wonder Laboratories (distributor), White House, TN. All Wonder Laboratories products.

Where next?