Evening Primrose Oil
oil · base score 1 · also listed as epo
What is it?
Evening Primrose Oil is an oil or fat ingredient. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
At a glance
- Category
- oil
- Grade
- good
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 5 products
- Also listed as
- epo
Common questions about evening primrose oil
Is Evening Primrose Oil good for dogs?
Yes, we grade it as a good ingredient: recognisable and nutritionally useful, so it lifts a product’s score. Bear in mind that no single ingredient decides quality; the whole recipe and its balance matter more.
How many UK dog foods contain evening primrose oil?
5 UK products list evening primrose oil as an ingredient in our database. The full list is shown below, sorted by rating.
What else is evening primrose oil called on labels?
Manufacturers list it under several names: epo. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade evening primrose oil?
We grade it good, our highest grade, reserved for recognisable ingredients that add real nutritional value. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.
What is evening primrose oil in dog food?
Evening primrose oil is a plant oil extracted from evening primrose seeds and is rich in gamma linolenic acid. It is often included in recipes marketed for skin and coat condition. It adds fat and calories, so portion sizes still matter.
Is evening primrose oil safe for dogs?
Small amounts used in dog food are generally tolerated. Dogs with fat sensitivities may need guidance from a vet before consuming extra oils.




