Comparison
Kelp and Sea Kelp with 200 mcg of Iodine
Kelp (NOW) lists 2 distinct ingredients and Sea Kelp with 200 mcg of Iodine (Puritan's Pride) 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.
| Ingredient | Kelp | Sea Kelp with 200 mcg of Iodine |
|---|---|---|
| Iodine | 150 mcg (100%) | 200 mcg (133%) |
| Kelp | 30 mg | 37 mg |
Amounts are per serving as DSLD gives them: Kelp, 1 tablet; Sea Kelp with 200 mcg of Iodine, 1 tablet. Current labels entered July 2025 and August 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- KelpNOW: every row against all products listing it
- Sea Kelp with 200 mcg of IodinePuritan's Pride: every row against all products listing it