White Willow Bark 400 mg
by NOW · capsule · 100 capsules
- Off the market since February 2015 (NIH)
- UPC 7 33739 04775 5
- DSLD label 33506
- Serving 2 capsules
- 50 servings
White Willow Bark 400 mg by NOW lists one ingredient: 800 mg of white willow bark extract per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on May 23, 2014.
What is in White Willow Bark 400 mg?
Each row as the label prints it, per serving of 2 capsules. 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 |
|---|---|---|---|
| Total Carbohydrates | less than 1 g | 1% | |
| White Willow bark extractas SalicinWhite Willow bark extract (Form: min. 15% Salicin) PlantPart: bark | 800 mg | Higher than 88% of 256 products listing white willow (median 150 mg). Per day at the most servings: 1,600 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 33506 (entered May 23, 2014), 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 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?
4 products list the very same ingredients; the nearest amounts come first.
- White Willow BarkNature's Way · off the market same ingredients
- White Willow Bark 400 mg - 15% SalicinNOW · off the market same ingredients
- White WillowNature's Way · off the market same ingredients
- White Willow BarkIndiana Botanic Gardens same ingredients
- Comfort Your BackGNC 1 shared, 77% alike
- Wild American White Willow BarkVitamin World · off the market 1 shared, 77% alike
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: As a dietary supplement, take 2 capsules 1 to 2 times daily as needed with food.
- Warnings
- Caution: For adults only.
- Not for pregnant or nursing women. Consult physician if taking medications (especially those that may affect bleeding), have a medical condition (including bleeding disorders or ulcers), or are planning to have surgery.
- Do not take this product if allergic to aspirin.
- Keep out of reach of children.
- Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
- Allergens and what it does not contain
- Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
- Storage
- Store in a cool, dry place after opening.
Source: label statements in DSLD label 33506.
What else is on the label?
Other ingredients: Gelatin, Magnesium Stearate, Stearic Acid.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP QUALITY ASSURED.
How many labels does White Willow Bark 400 mg have?
3 labels are on file under this name since October 1, 2012: other sizes, label designs and reformulations. The current one leads this page.
- Label 33506 (current) Entered May 23, 2014 · off the market February 16, 2015 · 100 capsules · UPC 7 33739 04775 5
- Label 28809 Entered December 24, 2013 · off the market November 4, 2013 · 100 capsules · UPC 7 33739 04775 5
- Label 14006 Entered October 1, 2012 · off the market January 14, 2013 · 100 capsules · UPC 7 33739 04775 5
DSLD also links this label to: White Willow Bark 400 mg - 15% Salicin (image difference, same product), Willow Bark Extract (image difference, same product), Willow Bark Extract (image difference, same product), Willow Bark Extract (image 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 NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.