Comparison
Evening Primrose Oil and Evening Primrose Oil 500 mg
Evening Primrose Oil (BioCare) lists 3 distinct ingredients and Evening Primrose Oil 500 mg (Exchange Select X) 2 (rows of one ingredient counted once); 2 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 0.82.
| Ingredient | Evening Primrose Oil | Evening Primrose Oil 500 mg |
|---|---|---|
| Gamma Linolenic Acid | 90 mg | 50 mg |
| Evening Primrose oil | 1,000 mg | 500 mg |
| Vitamin E | 10 mg (67%) |
Amounts are per serving as DSLD gives them: Evening Primrose Oil, 1 capsule; Evening Primrose Oil 500 mg, 1 softgel. Current labels entered August 2025 and October 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Evening Primrose OilBioCare: every row against all products listing it
- Evening Primrose Oil 500 mgExchange Select X: every row against all products listing it