Ingredient file
Vitamin C
An antioxidant vitamin that dogs can make for themselves, added as a supplement.
Our read // In our catalog
In 1 of every 68 foods we track
Share of foods that list it
1%
38 of the 2,595 foods with an ingredient list on file, from 4 brands. 35 dry dog food, 3 wet dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 33.5. In the top five of 0 foods, so it is usually a minor ingredient.
Above the salt
Usually listed after the salt, which caps it at roughly 1% of the recipe in 95% of foods.
Price per lb
Median of the cheapest bag price across 31 priced foods, 28% below the catalog. The price is the food's, not the ingredient's.
Who leans on it
61%
of the foods that list it are from Wellness. 4 brands use it in total.
What it is
Why it turns up in dog food
- Acts as an antioxidant and helps regenerate vitamin E. Dogs synthesise their own, so added vitamin C is a supplement rather than a requirement.
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Amazon best sellers that list it
Rank on Amazon's dog food best seller list, checked October 2026.
Usually listed with, share of the foods that list it
- Dried Plain Beet Pulp 89%
- Chicken Fat 71%
- Flaxseed 68%
- Barley 63%
- Chicken Meal 61%
- Oatmeal 39%
- Dried Yeast 37%
- Peas 34%
- Organic Sorghum 32%
- Turkey 29%
- Rice Bran 29%
- Natural Flavor 29%