Comparison

Icelandic Kelp and Norwegian Kelp

Icelandic Kelp (Natures Plus) lists 2 distinct ingredients and Norwegian Kelp (Nature's Harmony) 2 (rows of one ingredient counted once); 2 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientIcelandic KelpNorwegian Kelp
Iodine150 mcg (100%)455 mcg (303%)
Laminaria150 mg97 mg

Amounts are per serving as DSLD gives them: Icelandic Kelp, 1 tablet; Norwegian Kelp, 0 capsules. Current labels entered February 2019 and May 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Icelandic KelpNatures Plus: every row against all products listing it
  • Norwegian KelpNature's Harmony: every row against all products listing it