Comparison
Kelp and Norwegian Kelp
Kelp (GNC Earth Genius) lists 3 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 0.84.
| Ingredient | Kelp | Norwegian Kelp |
|---|---|---|
| Iodine | 225 mcg (150%) | 455 mcg (303%) |
| Laminaria | 33 mg | 97 mg |
| Calcium | 80 mg (6%) |
Amounts are per serving as DSLD gives them: Kelp, 1 tablet; Norwegian Kelp, 0 capsules. Current labels entered July 2020 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
- KelpGNC Earth Genius: every row against all products listing it
- Norwegian KelpNature's Harmony: every row against all products listing it