Comparison
Optimal Primrose and Evening Primrose Oil
Optimal Primrose (Seeking Health) lists 7 distinct ingredients and Evening Primrose Oil (ProThera) 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.
| Ingredient | Optimal Primrose | Evening Primrose Oil |
|---|---|---|
| Fat (unspecified) | 1 g | 1 g |
| Saturated fat | 0 g | 0 g |
| Polyunsaturated Fat | 1 g | 1 g |
| Linoleic Acid | 544 mg | 955 mg |
| Oleic Acid | 49.9 mg | 80 mg |
| Gamma Linolenic Acid | 76 mg | 130 mg |
| Evening Primrose oil | 1,300 mg | 1,300 mg |
Amounts are per serving as DSLD gives them: Optimal Primrose, 1 softgel; Evening Primrose Oil, 1 softgel. Current labels entered January 2020 and March 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Optimal PrimroseSeeking Health: every row against all products listing it
- Evening Primrose OilProThera: every row against all products listing it