PlainVitamins

White Willow Bark Extract 500 mg

by Swanson · capsule · 60 veggie caps

  • On the market (NIH)
  • UPC 0 87614 14226 5
  • DSLD label 308818
  • Serving 1 veggie capsule
  • 60 servings

White Willow Bark Extract 500 mg by Swanson lists one ingredient: 500 mg of white willow bark extract per serving of 1 veggie capsule. Its current label entered the NIH Dietary Supplement Label Database on February 22, 2024.

What is in White Willow Bark Extract 500 mg?

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

White Willow Bark Extract 500 mg: Supplement Facts rows against the market (DSLD label 308818, January 2026 release)
IngredientAmount% DVAmong products listing it
White Willow Bark Extractas SalicinStandardized to minimum 25% salicin500 mgWhite Willow in White Willow Bark Extract 500 mg against 256 products500 mg per serving; the middle half of products list 80 mg to 400 mg, the median 150 mg.500 mg

Higher than 80% of 256 products listing white willow (median 150 mg). Per day at the most servings: 1,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 308818 (entered February 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?

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 1 to 2 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.

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 a dietary supplement, take one veggie capsule one to two times per day with water.
Warnings
Warning: Do not take this product if you are pregnant or nursing, allergic to salicylate compounds such as aspirin, or have gastritis or ulcers. Consult your physician before using this or any product if you are taking medication or have a medical condition.
Warning: Do not take this product if you are pregnant or nursing, allergic to salicylate compounds such as aspirin, or have gastritis or ulcers.
Discontinue use if you experience stomach discomfort. Do not use if seal is broken.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 308818.

What else is on the label?

Other ingredients: Hypromellose, Microcrystalline Cellulose, Rice Extract Blend, Silica.

How many labels does White Willow Bark Extract 500 mg have?

One label is on file, entered on February 22, 2024.

  1. Label 308818 (current) Entered February 22, 2024 · on the market · 60 veggie caps · UPC 0 87614 14226 5

DSLD also links this label to: Maximum Strength White Willow Bark Extract 500 mg (image difference, same product), Maximum Strength White Willow Bark Extract 500 mg (package size difference, same product), White Willow Bark Extract 500 mg (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 Swanson Health Products (distributor), Fargo, ND. All Swanson products.

Where next?