Crabshell
supplement · base score 0.5
What is it?
Crabshell is a supplement added for a specific benefit. Graded medium: nutritionally adequate and nothing to worry about, but not a standout ingredient either way.
At a glance
- Category
- supplement
- Grade
- medium
- Base score
- 0.5 (from −1 to 1; higher is better)
- Found in
- 4 products
- Also listed as
- -
Common questions about crabshell
Is Crabshell good for dogs?
It is nutritionally fine: we grade it medium, meaning adequate and nothing to worry about, but not a standout either way. The overall recipe matters more than any single ingredient.
How many UK dog foods contain crabshell?
4 UK products list crabshell as an ingredient in our database. The full list is shown below, sorted by rating.
How does Open Dog Food grade crabshell?
We grade it medium: nutritionally adequate, but nothing special either way. 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 crabshell in dog food?
Crabshell is ground crab shell included as a natural source of minerals, particularly calcium, and its chitin content is a source of glucosamine compounds. It is most often found in dry foods and supplements marketed for joint support. Its nutritional contribution depends on how finely it is ground and how much is used.



