Ingredient file // Ingredient
Vitamin E
Printed as “Vitamin E Supplement” on some labels. Same ingredient.
An essential fat-soluble vitamin, added to meet nutritional requirements and to protect fats from going rancid.
Our read // In our catalog
In 1 of every 2 foods we track
Share of foods that list it
40%
905 of the 2,250 foods we track, from 49 brands. 674 dry dog food, 162 wet dog food, 40 frozen dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 24. 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 96% of foods.
Price per lb
Median of the cheapest bag price across 590 priced foods, 6% below the catalog. The price is the food's, not the ingredient's.
Who leans on it
14%
of the foods that list it are from Blue. 49 brands use it in total.
What it is
Why it turns up in dog food
- The body's main fat-soluble antioxidant, protecting cell membranes from oxidative damage and supporting immune function.
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Plus 39 more brands.
Amazon best sellers that list it
- #1 Blue Life Protection Formula Adult Chicken and Brown Rice Recipe Dry Dog Food
- #7 Blue Life Protection Formula Adult Small Breed Chicken and Brown Rice Recipe Dry Dog Food
- #10 Diamond Naturals Skin & Coat Formula All Life Stages Salmon & Potato Formula Dry Dog Food
- #17 Taste of the Wild High Prairie Canine Recipe with Roasted Bison & Roasted Venison Dry Dog Food
- #21 Cesar Filet Mignon Flavor & Spring Vegetables Garnish Dry Dog Food
- #27 Blue Life Protection Formula Senior Chicken and Brown Rice Recipe Dry Dog Food
- #30 Blue Life Protection Formula Puppy Chicken and Brown Rice Recipe Dry Dog Food
- #34 Purina One SmartBlend Healthy Weight High Protein Formula Adult Premium 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 Fat 39%
- Chicken 39%
- Flaxseed 37%
- Peas 34%
- Chicken Meal 34%
- Natural Flavor 30%
- Oatmeal 20%
- Brown Rice 19%
- Barley 18%
- Dried Plain Beet Pulp 16%
- Sweet Potatoes 15%
- Lentils 15%
On labels as
Other names for this
Manufacturers do not all use the same wording. These all mean the same thing.