L-ascorbyl-2-polyphosphate
supplement ingredient
What is it?
L-ascorbyl-2-polyphosphate 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.
Other names on labels: l-ascorbly-2-polyphosphate, vitamin c, ascorbic acid derivative
At a glance
- Base score
- 0.8 (from −1 to 1; higher is better)
- Found in
- 41 products
Products containing l-ascorbyl-2-polyphosphate
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 l-ascorbyl-2-polyphosphate
Is L-ascorbyl-2-polyphosphate 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.
What is L-ascorbyl-2-polyphosphate in dog food?
L-ascorbyl-2-polyphosphate is a stabilised form of vitamin C used as a nutritional supplement in pet foods. It is added to provide vitamin C in a form that remains stable during processing and storage. We see it listed on labels as a vitamin source rather than a bulk ingredient.
Is L-ascorbyl-2-polyphosphate safe for dogs?
Yes, it is widely accepted as a safe vitamin C source in commercial dog foods when used at typical inclusion levels. Dogs can synthesise their own vitamin C, so it is added more as a nutritional support ingredient. Some dogs may be sensitive to certain supplements, so speak to your vet if you have concerns.
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How many UK dog foods contain l-ascorbyl-2-polyphosphate?
41 UK products list l-ascorbyl-2-polyphosphate as an ingredient in our database. The full list is shown above, sorted by rating.
What else is l-ascorbyl-2-polyphosphate called on labels?
Manufacturers list it under several names: l-ascorbly-2-polyphosphate, vitamin c, ascorbic acid derivative. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade l-ascorbyl-2-polyphosphate?
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.

