Comparison

Kelp with Natural Selenium and Iodine and Super Kelp

Kelp with Natural Selenium and Iodine (Ecological Formulas) lists 3 distinct ingredients and Super Kelp (Vitabase) 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 0.74.

Amount per serving (and % of the Daily Value)
IngredientKelp with Natural Selenium and IodineSuper Kelp
Iodine150 mcg (100%)225 mcg (150%)
Kelp200 mg45 mg
Selenium150 mcg (273%)

Amounts are per serving as DSLD gives them: Kelp with Natural Selenium and Iodine, 1 capsule; Super Kelp, 1 tablet. Current labels entered June 2013 and March 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own