PlainVitamins

Bladderwrack

by Herb Pharm · liquid · 4 fluid ounces

  • On the market (NIH)
  • UPC 0 90700 00108 7
  • DSLD label 220481
  • Serving 0.7 ml (1 dropper squeeze)
  • 168 servings

Bladderwrack by Herb Pharm lists one ingredient: 674 mg of bladderwrack thallus (fucus spp.) extract per serving of 0.7 ml. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2020.

What is in Bladderwrack?

Each row as the label prints it, per serving of 0.7 ml. 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).

Bladderwrack: Supplement Facts rows against the market (DSLD label 220481, January 2026 release)
IngredientAmount% DVAmong products listing it
Bladderwrack thallus (Fucus spp.) extractBladderwrack thallus (Fucus spp.) extract PlantPart: thallus Genus: Fucus Species: spp. Note: (responsibly wildcrafted) (extraction rate 233 mg herb per 0.7 ml.)674 mgBladderwrack in Bladderwrack against 188 products674 mg per serving; the middle half of products list 50 mg to 500 mg, the median 77.5 mg.674 mg

Higher than 89% of 188 products listing bladderwrack (median 77.5 mg). Per day at the most servings: 2,696 mg.

Source: NIH ODS Dietary Supplement Label Database, label 220481 (entered May 22, 2020), 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 2 to 4 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 Shake well before using Add one full squeeze of the dropper bulb to 2 oz. of water or juice, 2 to 4 times per day. Best taken between meals.
Warnings
Caution: Not for use in persons with hyperthyroidism or iodine sensitivity.
Keep out of the reach of children
Allergens and what it does not contain
Gluten-free
Storage
Store away from heat & light

Source: label statements in DSLD label 220481.

What else is on the label?

Other ingredients: certified organic Cane Alcohol, distilled Water.

How many labels does Bladderwrack have?

9 labels are on file under this name since April 25, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 220481 (current) Entered May 22, 2020 · on the market · 4 fluid ounces · UPC 0 90700 00108 7
  2. Label 220479 Entered May 22, 2020 · on the market · 1 fl. Oz. · UPC 0 90700 00009 7
  3. Label 199655 Entered April 25, 2019 · off the market February 24, 2020 · 1 fl. Oz. · UPC 0 90700 00009 7
  4. Label 65461 Entered October 22, 2016 · off the market August 8, 2018 · 1 fl. Oz. · UPC 0 90700 00009 7
  5. Label 42907 Entered February 25, 2015 · off the market February 24, 2020 · 4 fl. Oz. · UPC 0 90700 00108 7
  6. Label 42630 Entered February 25, 2015 · off the market September 26, 2016 · 1 fl. Oz. · UPC 0 90700 00009 7
  7. Label 39428 Entered November 25, 2014 · off the market February 17, 2015 · 4 fl. Oz. · UPC 0 90700 00108 7
  8. Label 39422 Entered November 25, 2014 · off the market February 17, 2015 · 1 fl. Oz. · UPC 0 90700 00009 7
  9. Label 32769 Entered April 25, 2014 · off the market October 28, 2014 · 1 fl. Oz. · UPC 0 90700 00009 7

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

Who makes it?

The label names Herb Pharm (manufacturer), Williams, OR. All Herb Pharm products.

Where next?