Comparison
Norwegian Cod Liver Oil 400 mg and Cod Liver Oil 425 mg
Norwegian Cod Liver Oil 400 mg (21st Century) lists 5 distinct ingredients and Cod Liver Oil 425 mg (NOW) 5 (rows of one ingredient counted once); 5 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 | Norwegian Cod Liver Oil 400 mg | Cod Liver Oil 425 mg |
|---|---|---|
| Vitamin D | 3.4 mcg (17%) | 3.38 mcg (17%) |
| Vitamin A | 0.375 mg | 1,250 IU |
| DHA | 45 mg | 40 mg |
| EPA (Eicosapentaenoic Acid) | 37 mg | 30 mg |
| Fish Liver oil | 0.4 g | 0.425 g |
Amounts are per serving as DSLD gives them: Norwegian Cod Liver Oil 400 mg, 1 softgel; Cod Liver Oil 425 mg, 1 softgel. Current labels entered May 2025 and April 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Norwegian Cod Liver Oil 400 mg21st Century: every row against all products listing it
- Cod Liver Oil 425 mgNOW: every row against all products listing it