A heat-stable form of vitamin C. Dogs and cats make their own vitamin C, so it is not an essential nutrient for them. It is added as an antioxidant and, some argue, to support joints and immunity. Harmless at food levels and not a reason to choose or avoid a food.
How it appears on labels
You may see it listed as ascorbic acid, vitamin c.
Find foods with or without it
See every ingredient we explain
Sources
- Merck Veterinary Manual
