Also appears on labels as: ascorbic acid, ascorbic acid (source of vitamin c), l-ascorbyl-2-polyphosphate, l-ascorbyl-2-polyphosphate (vitamin c), l-ascorbyl-2-polyphosphate (source of vitamin c)
Ascorbic acid, or the stabilized polyphosphate form that survives extrusion instead of breaking down in the extruder.
Watched ingredients get highlighted on every product panel you open.
General reference, not veterinary advice. Dose, breed, and existing conditions change the answer, so talk to your vet before changing what your pet eats. Think we got this wrong? Tell us and we log it publicly.
Lowest scores first. Its presence here is not what drove those scores.