Comparison
Double Strength Cod Liver Oil 650 mg and Extra Strength Cod Liver Oil 1,000 mg
Double Strength Cod Liver Oil 650 mg (NOW) lists 8 distinct ingredients and Extra Strength Cod Liver Oil 1,000 mg (NOW) 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 0.87.
| Ingredient | Double Strength Cod Liver Oil 650 mg | Extra Strength Cod Liver Oil 1,000 mg |
|---|---|---|
| Vitamin D | 6.75 mcg (34%) | 10 mcg (50%) |
| Fat (unspecified) | 0.5 g | 1 g |
| Vitamin A | 2,500 IU | 1,000 IU |
| Cholesterol | 0 mg | 0 mg |
| DHA | 60 mg | 100 mg |
| EPA (Eicosapentaenoic Acid) | 45 mg | 70 mg |
| Fish Liver oil | 0.65 g | 1 g |
| Trans fat | 0 mg |
Amounts are per serving as DSLD gives them: Double Strength Cod Liver Oil 650 mg, 1 softgel; Extra Strength Cod Liver Oil 1,000 mg, 1 softgel. Current labels entered December 2012 and July 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Double Strength Cod Liver Oil 650 mgNOW: every row against all products listing it
- Extra Strength Cod Liver Oil 1,000 mgNOW: every row against all products listing it