PlainVitamins

Bladderwrack 580 mg

by Nature's Way · capsule · 100 vcaps(R)

  • Off the market since November 2015 (NIH)
  • UPC 0 33674 15380 2
  • DSLD label 39964
  • Serving 1 capsule
  • 100 servings

Bladderwrack 580 mg by Nature's Way lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 340 mcg of iron, 232 mcg of iodine and 580 mg of bladderwrack, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on November 25, 2014.

What is in Bladderwrack 580 mg?

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

Bladderwrack 580 mg: Supplement Facts rows against the market (DSLD label 39964, January 2026 release)
IngredientAmount% DVAmong products listing it
Iron340 mcg2%Iron in Bladderwrack 580 mg against 6,910 products0.34 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg0.34 mg

95% of 6,910 products listing iron give more (median 5 mg).

Iodine232 mcg155%Iodine in Bladderwrack 580 mg against 6,382 products232 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg232 mcg

Higher than 93% of 6,382 products listing iodine (median 150 mcg).

Sodium10 mg1%Sodium in Bladderwrack 580 mg against 14,514 products10 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.10 mg

78% of 14,514 products listing sodium give more (median 55 mg).

Bladderwrack580 mgBladderwrack in Bladderwrack 580 mg against 188 products580 mg per serving; the middle half of products list 50 mg to 500 mg, the median 77.5 mg.580 mg

Higher than 85% of 188 products listing bladderwrack (median 77.5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 39964 (entered November 25, 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?

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:

  • 95% of the 6,910 products that print an amount of iron list more than its 0.34 mg of iron (median 5 mg).
  • Its 232 mcg of iodine is higher than 93% of the 6,382 iodine products that print an amount; 430 list more.

The NIH database records one serving 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?

The products whose ingredient lists overlap most with Bladderwrack 580 mg's, rare ingredients counting for more.

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 1 capsule daily, preferably with food.
Warnings
Freshness & safety sealed with printed outer shrinkwrap and printed inner seal. Do not use if either seal is broken or missing.
Keep out of reach of children.
Do not exceed recommended dose.
Caution: This product should not be taken by persons with known hypersensitivity to iodine or hyperthyroidism.
Consult a healthcare professional before using if you are pregnant, nursing or taking a prescribed iodine medication.

Source: label statements in DSLD label 39964.

What else is on the label?

Other ingredients: plant-derived Capsule.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Nature's Way(R).

How many labels does Bladderwrack 580 mg have?

One label is on file, entered on November 25, 2014.

  1. Label 39964 (current) Entered November 25, 2014 · off the market November 9, 2015 · 100 vcaps(R) · UPC 0 33674 15380 2

DSLD also links this label to: Bladderwrack Whole Thallus (image difference, same product), Bladderwrack Whole Thallus 580 mg (image difference, same product), Bladderwrack Whole Thallus 580 mg (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 Nature's Way Products, Inc. (manufacturer), Springville, Utah. All Nature's Way products.

Where next?