Comparison

DHA-500 and Double Strength DHA-500

DHA-500 (Specialty Pharmacy) lists 6 distinct ingredients and Double Strength DHA-500 (NOW) 6 (rows of one ingredient counted once); 6 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)
IngredientDHA-500Double Strength DHA-500
Fat (unspecified)1 g1 g
DHA500 mg500 mg
EPA (Eicosapentaenoic Acid)250 mg250 mg
Omega-3not disclosednot disclosed
Fish Oil1 g1 g
Polyunsaturated Fat1 g1 g

Amounts are per serving as DSLD gives them: DHA-500, 1 softgel; Double Strength DHA-500, 1 softgel. Current labels entered February 2020 and October 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own