Ingredient file
Zinc Oxide
An inorganic zinc compound used as a trace mineral supplement.
Our read // In our catalog
In 1 of every 22 foods we track
Share of foods that list it
5%
120 of the 2,595 foods with an ingredient list on file, from 15 brands. 86 dry dog food, 34 wet dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 26. 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 100% of foods.
Price per lb
Median of the cheapest bag price across 74 priced foods, 23% below the catalog. The price is the food's, not the ingredient's.
Who leans on it
43%
of the foods that list it are from Nutro. 15 brands use it in total.
What it is
Why it turns up in dog food
- Supplies zinc for skin and immune function, though it is the least absorbable of the common zinc forms.
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Plus 5 more brands.
Amazon best sellers that list it
- #42 Iams Adult Large Breed Dry Dog Food
- #76 Nutro Natural Choice Adult Chicken & Brown Rice Recipe Dry Dog Food
Rank on Amazon's dog food best seller list, checked October 2026.
Usually listed with, share of the foods that list it
- Chicken 68%
- Natural Flavor 38%
- Chicken Meal 34%
- Chicken Fat 32%
- Brewers Rice 27%
- Oatmeal 26%
- Dried Plain Beet Pulp 26%
- Chicken Broth 22%
- Dried Beet Pulp 21%
- Flaxseed 21%
- Whole Grain Sorghum 21%
- Brewers Dried Yeast 20%