Ingredient file // Ingredient
L-Carnitine
A compound made from amino acids that moves fat into the cells' energy factories.
Our read // In our catalog
In 1 of every 4 foods we track
Share of foods that list it
25%
629 of the 2,508 foods with an ingredient list on file, from 49 brands. 569 dry dog food, 53 wet dog food, 5 dog food topper.
Each square is 1% of the catalog
Where it sits on the label
Median position 28. In the top five of 1 food, 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 484 priced foods, about level with the catalog. The price is the food's, not the ingredient's.
Who leans on it
15%
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
- Helps the body burn fat for energy, which is why it appears in weight management and performance recipes.
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
- #4 Hill’s Science Diet ght Small & Mini Chicken Recipe Dry Dog Food
- #6 Blue Life Protection Formula Adult Small Breed Chicken and Brown Rice Recipe Dry Dog Food
- #8 Diamond Naturals Skin & Coat Formula All Life Stages Salmon & Potato Formula Dry Dog Food
- #26 Blue Life Protection Formula Senior Chicken and Brown Rice Recipe Dry Dog Food
- #27 Royal Canin Small Adult Dry Dog Food
- #29 Blue Life Protection Formula Small Breed Senior Chicken and Brown Rice Recipe Dry Dog Food
- #38 Iams Adult Large Breed 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 54%
- Natural Flavor 45%
- Chicken Meal 37%
- Peas 36%
- Flaxseed 35%
- Chicken 31%
- Brown Rice 30%
- Dried Plain Beet Pulp 25%
- Oatmeal 20%
- Barley 20%
- Brewers Rice 17%
- Pea Starch 15%
On the shelf
Foods that list it
629 foods in our reviews list it. Here are some of them.