PlainVitamins

Bladderwrack Thallus

by Nature's Answer · liquid · 1 fl. Oz.

  • On the market (NIH)
  • UPC 0 83000 00139 0
  • DSLD label 263920
  • Serving 0.5 to 1 ml (19-39 drops); amounts per 1 ml
  • 30 servings

Bladderwrack Thallus by Nature's Answer lists 2 ingredients, 2 with an amount per serving of 1 ml, such as 1,000 mg of bladderwrack thallus extract. Its current label entered the NIH Dietary Supplement Label Database on May 19, 2022.

What is in Bladderwrack Thallus?

Each row as the label prints it, per serving of 1 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 Thallus: Supplement Facts rows against the market (DSLD label 263920, January 2026 release)
IngredientAmount% DVAmong products listing it
Bladderwrack Thallus Extract1:2 Dry Herb Equivalent1,000 mgBladderwrack in Bladderwrack Thallus against 188 products1,000 mg per serving; the middle half of products list 50 mg to 500 mg, the median 77.5 mg.1,000 mg

Higher than 93% of 188 products listing bladderwrack (median 77.5 mg). Per day at the most servings: 3,000 mg.

IodineStandardized for60 mcg40%*Iodine in Bladderwrack Thallus against 6,382 products60 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg60 mcg

78% of 6,382 products listing iodine give more (median 150 mcg). Per day at the most servings: 180 mcg.

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 263920 (entered May 19, 2022), 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:

  • Its 1,000 mg of bladderwrack is higher than 93% of the 188 bladderwrack products that print an amount; 3 list more.

The NIH database records 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
Suggested Use: As a dietary supplement, take 1/2-1 mL (19-39 drops) three (3) times a day in a small amount of water. Shake well.
Warnings
Keep out of reach of children.
Warning: Do not use if pregnant or nursing.
Do not use if safety seal is damaged or missing.
Allergens and what it does not contain
Gluten Free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 263920.

What else is on the label?

Other ingredients: Vegetable Glycerin, Water, Purified.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): K Parve (Kosher); Bio-Chelated Cold Extraction Process.

How many labels does Bladderwrack Thallus have?

6 labels are on file under this name since August 24, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 263920 (current) Entered May 19, 2022 · on the market · 1 fl. Oz. · UPC 0 83000 00139 0
  2. Label 16963 Entered December 21, 2012 · off the market February 17, 2016 · 1 fl. Oz. · UPC 0 83000 00139 0
  3. Label 16961 Entered December 21, 2012 · off the market February 17, 2016 · 2 fl. Oz. · UPC 0 83000 00142 0
  4. Label 16532 Entered December 21, 2012 · off the market February 1, 2014 · 90 vegetarian capsules · UPC 0 83000 16130 8
  5. Label 11831 Entered October 1, 2012 · off the market June 1, 2012 · 1 fl. Oz. · UPC 0 83000 00139 0
  6. Label 11658 Entered August 24, 2012 · off the market October 1, 2010 · 90 vegetarian capsules · UPC 0 83000 16130 8

DSLD also links this label to: Bladderwrack 1,000 mg (image difference, same product), Bladderwrack 1,000 mg (package size difference, same product), Bladderwrack 1,000 mg (package size difference, same product), Bladderwrack 1,000 mg (package size difference, same product), Bladderwrack (image difference, same product), Bladderwrack (package size difference, same product), Bladderwrack Extract 1,000 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 Nature's Answer (manufacturer), Hauppauge, NY. All Nature's Answer products.

Where next?