Comparison
Extra Strength DHA 500 mg and CalaMarine Omega-3
Extra Strength DHA 500 mg (Puritan's Pride) lists 3 distinct ingredients and CalaMarine Omega-3 (Dr. Sinatra) 5 (rows of one ingredient counted once); 3 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 0.72.
| Ingredient | Extra Strength DHA 500 mg | CalaMarine Omega-3 |
|---|---|---|
| Cholesterol | 10 mg | 10 mg |
| DHA | 500 mg | 570 mg |
| Squid Oil | 1 g | 2 g |
| Fat (unspecified) | 2 g | |
| EPA (Eicosapentaenoic Acid) | 330 mg |
Amounts are per serving as DSLD gives them: Extra Strength DHA 500 mg, 1 softgel; CalaMarine Omega-3, 2 softgels. Current labels entered June 2023 and February 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Extra Strength DHA 500 mgPuritan's Pride: every row against all products listing it
- CalaMarine Omega-3Dr. Sinatra: every row against all products listing it