Fish Oil
oil · base score 1 · also listed as fish oil, marine oil, fish oil (source of omega-3 fatty acids), omega-3 fish oil, omega-3 oil
What is it?
Fish 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
- 490 products
- Also listed as
- fish oil, marine oil, fish oil (source of omega-3 fatty acids), omega-3 fish oil, omega-3 oil
Common questions about fish oil
Is Fish 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 fish oil?
490 UK products list fish oil as an ingredient in our database. The full list is shown below, sorted by rating.
What else is fish oil called on labels?
Manufacturers list it under several names: fish oil, marine oil, fish oil (source of omega-3 fatty acids), omega-3 fish oil, omega-3 oil. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade fish 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.
Why is fish oil added to dog food?
Fish oil is added as a source of long-chain omega-3 fatty acids, EPA and DHA, which are important for skin, coat and overall nutrition. It is one of the most common omega-3 ingredients in UK dog foods.
Can fish oil in dog food go rancid?
Fish oil can oxidise over time, so manufacturers usually add antioxidants such as vitamin E to help protect it. Store the food in a cool, dark place and use it within the best-before date.
