Chlorella
supplement · base score 0.8 · also listed as chlorella, green algae, chlorella vulgaris
What is it?
Chlorella is a supplement added for a specific benefit. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
At a glance
- Category
- supplement
- Grade
- good
- Base score
- 0.8 (from −1 to 1; higher is better)
- Found in
- 10 products
- Also listed as
- chlorella, green algae, chlorella vulgaris
Common questions about chlorella
Is Chlorella 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 chlorella?
10 UK products list chlorella as an ingredient in our database. The full list is shown below, sorted by rating.
What else is chlorella called on labels?
Manufacturers list it under several names: chlorella, green algae, chlorella vulgaris. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade chlorella?
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 chlorella in dog food?
Chlorella is a type of green algae that is sometimes added to dog foods and treats as a supplementary ingredient. It contains protein, fibre and chlorophyll and is often included for its overall nutritional profile. It may appear simply as 'chlorella' or 'chlorella vulgaris' on a UK pet food label.
Is chlorella safe for dogs?
Chlorella is generally considered safe for dogs when used in small amounts as a food ingredient. Some dogs may be sensitive to algae-based ingredients, so speak to your vet if you notice any digestive upset or skin changes after feeding a product containing chlorella.









