Comparison
Evening Primrose Oil 1300 mcg and Natural Evening Primrose Oil 500 mg
Evening Primrose Oil 1300 mcg (O Orgeuos) lists 4 distinct ingredients and Natural Evening Primrose Oil 500 mg (Windmill) 3 (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 | Evening Primrose Oil 1300 mcg | Natural Evening Primrose Oil 500 mg |
|---|---|---|
| Fat (unspecified) | 1.3 g | 1 g |
| Gamma Linolenic Acid | 130 mg | 90 mg |
| Evening Primrose oil | 1,300 mg | 1,000 mg |
| Black Cohosh | 40 mg |
Amounts are per serving as DSLD gives them: Evening Primrose Oil 1300 mcg, 2 capsules; Natural Evening Primrose Oil 500 mg, 2 softgels. Current labels entered July 2025 and March 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Evening Primrose Oil 1300 mcgO Orgeuos: every row against all products listing it
- Natural Evening Primrose Oil 500 mgWindmill: every row against all products listing it