Comparison

Evening Primrose Oil and Epo

Evening Primrose Oil (Klaire Labs) lists 6 distinct ingredients and Epo (Adaptogen Research) 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)
IngredientEvening Primrose OilEpo
Fat (unspecified)1 g1 g
Polyunsaturated Fat1 g1 g
Linoleic Acid544 mg544 mg
Oleic Acid49.9 mg49.9 mg
Gamma Linolenic Acid76 mg76 mg
Evening Primrose oil1,300 mg1,300 mg

Amounts are per serving as DSLD gives them: Evening Primrose Oil, 1 softgel; Epo, 1 softgel. Current labels entered January 2023 and April 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Evening Primrose OilKlaire Labs: every row against all products listing it
  • EpoAdaptogen Research: every row against all products listing it