Comparison

NKO Neptune Krill Oil 500 mg and Superior Omega-3 Krill Oil Ultra Strength 1000 mg

NKO Neptune Krill Oil 500 mg (Source Naturals) lists 7 distinct ingredients and Superior Omega-3 Krill Oil Ultra Strength 1000 mg (Schiff MegaRed) 7 (rows of one ingredient counted once); 7 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)
IngredientNKO Neptune Krill Oil 500 mgSuperior Omega-3 Krill Oil Ultra Strength 1000 mg
Fat (unspecified)1 g1 g
Cholesterol10 mg10 mg
DHA60 mg60 mg
EPA (Eicosapentaenoic Acid)135 mg128 mg
Omega-3250 mg230 mg
Astaxanthin0.36 mg0.05 mg
Krill Oil1 g1 g

Amounts are per serving as DSLD gives them: NKO Neptune Krill Oil 500 mg, 2 softgels; Superior Omega-3 Krill Oil Ultra Strength 1000 mg, 1 softgel. Current labels entered January 2023 and June 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own