Microalgae
veg · base score 1
What is it?
Microalgae is a vegetable ingredient. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
At a glance
- Category
- veg
- Grade
- good
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 7 products
- Also listed as
- -
Common questions about microalgae
Is Microalgae 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 microalgae?
7 UK products list microalgae as an ingredient in our database. The full list is shown below, sorted by rating.
How does Open Dog Food grade microalgae?
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 microalgae in dog food?
Microalgae is a microscopic aquatic organism used in dog food as a plant-based source of fatty acids and other nutrients. It may appear on labels as dried microalgae, algae meal, or by its strain name. We recognise it as a real, identifiable ingredient.
Is microalgae safe for dogs?
Microalgae is generally used in pet foods at low levels and is widely accepted as an ingredient. Some dogs may be sensitive to algae-derived ingredients, so introduce the food gradually and speak to your vet if you notice any reaction.





