Collagen
supplement · base score 1
What is it?
Collagen 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
- 1 (from −1 to 1; higher is better)
- Found in
- 106 products
- Also listed as
- -
Common questions about collagen
Is Collagen 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 collagen?
106 UK products list collagen as an ingredient in our database. The full list is shown below, sorted by rating.
How does Open Dog Food grade collagen?
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 collagen used for in dog food?
Collagen is a protein source derived from connective tissues and is added for its amino acid profile. It appears in some dog foods and treats as a supplementary ingredient. It is generally recognised as safe for dogs.
Is collagen a complete protein for dogs?
Collagen provides specific amino acids, including glycine and proline, but it is not a complete protein on its own. It is typically used alongside other protein sources in complete dog food. We list it as a recognisable supplement ingredient.
