PlainVitamins

Pau d'Arco Inner Bark 545 mg

by Nature's Way · capsule · 100 veg. capsules

  • On the market (NIH)
  • UPC 0 33674 15450 2
  • DSLD label 79323
  • Serving 2 to 4 capsules; amounts per 2 capsules
  • 50 servings

Pau d'Arco Inner Bark 545 mg by Nature's Way lists one ingredient: 1.09 g of pau d'Arco per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on October 21, 2017.

What is in Pau d'Arco Inner Bark 545 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).

Pau d'Arco Inner Bark 545 mg: Supplement Facts rows against the market (DSLD label 79323, January 2026 release)
IngredientAmount% DVAmong products listing it
Pau d'Arco1.09 gPau d'Arco in Pau d'Arco Inner Bark 545 mg against 149 products1,090 mg per serving; the middle half of products list 50 mg to 704 mg, the median 210 mg.1,090 mg

Higher than 91% of 149 products listing pau d'Arco (median 210 mg). Per day at the most servings: 3,270 mg.

Source: NIH ODS Dietary Supplement Label Database, label 79323 (entered October 21, 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?

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:

  • Its 1,090 mg of pau d'Arco is higher than 91% of the 149 pau d'Arco products that print an amount; 11 list more.

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.

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
Recommendation: Take 2 capsules twice daily with meals. For intensive use take 4 capsules three times daily.
Warnings
Keep out of reach of children.
Safety sealed with printed outer shrinkwrap and inner seal. Do not use if either is broken or missing.
If pregnant, nursing or taking any medications, consult a healthcare professional before use.
Allergens and what it does not contain
Gluten free. No sugar, salt, yeast, wheat, soy, corn, dairy products, artificial colors, flavors or preservatives.
Non GMO

Source: label statements in DSLD label 79323.

What else is on the label?

Other ingredients: plant-derived Capsule, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegetarian; Non GMO Project Verified Nongmoproject.org; Certified Authentic Tru-ID.

How many labels does Pau d'Arco Inner Bark 545 mg have?

2 labels are on file under this name since October 21, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 79323 (current) Entered October 21, 2017 · on the market · 100 veg. capsules · UPC 0 33674 15450 2
  2. Label 79245 Entered October 21, 2017 · off the market October 1, 2019 · 180 veg. capsules · UPC 0 33674 15408 3

DSLD also links this label to: Pau d' Arco Inner Bark (image difference, same product), Pau d' Arco Inner Bark (package size difference, same product), Pau d' Arco Inner Bark (package size difference, same product), Pau d'Arco Inner Bark (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 Nature's Way Brands, LLC (manufacturer), Green Bay, WI. All Nature's Way products.

Where next?