Comparison

EPA 300 mg DHA 200 mg Omega-3 600 mg and EPA 267 mg DHA 171 mg Omega-3 500 mg

EPA 300 mg DHA 200 mg Omega-3 600 mg (PhysioLogics) lists 7 distinct ingredients and EPA 267 mg DHA 171 mg Omega-3 500 mg (PhysioLogics) 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)
IngredientEPA 300 mg DHA 200 mg Omega-3 600 mgEPA 267 mg DHA 171 mg Omega-3 500 mg
Fat (unspecified)1 g1 g
Cholesterol10 mg10 mg
DHA200 mg171 mg
EPA (Eicosapentaenoic Acid)300 mg267 mg
Omega-3600 mg500 mg
Fish Oil1 g1 g
Polyunsaturated Fat1 g1 g

Amounts are per serving as DSLD gives them: EPA 300 mg DHA 200 mg Omega-3 600 mg, 1 softgel; EPA 267 mg DHA 171 mg Omega-3 500 mg, 1 softgel. Current labels entered December 2011 and December 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own