Seaweed
veg ingredient
What is it?
Seaweed is a vegetable ingredient. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
Other names on labels: seaweed extracts, algae extract, gracilaria seaweed
Show 12 more label names
gracilaria spp)*, gracilaria, algae, dried algae, sea algae, dried ground sea algae, marine algae, marine algae meal, macroalgae, algae mix, algae powder, seaweed extract
At a glance
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 929 products
Products containing seaweed
Results reflect the latest label we hold for each product, not a live check of today's recipe. Open a product to see its source and last-checked date.
Common questions about seaweed
Is Seaweed 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.
Why is seaweed added to dog food?
Seaweed is added as a natural source of iodine, trace minerals and some bioactive compounds. It can help support thyroid function and dental hygiene in some products. On UK labels it may appear as seaweed, algae or seaweed extract.
How many UK dog foods contain seaweed?
929 UK products list seaweed as an ingredient in our database. The full list is shown above, sorted by rating.
Show 2 more questions
What else is seaweed called on labels?
Manufacturers list it under several names: seaweed extracts, algae extract, gracilaria seaweed, gracilaria spp)*, gracilaria, algae, dried algae, sea algae, dried ground sea algae, marine algae, marine algae meal, macroalgae, algae mix, algae powder, seaweed extract. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade seaweed?
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.









