What's in the bag.

Five findings from 3,883 dog-food recipes and 427 brands. Free for readers of The Underbite. Enter your email and the report opens right away.

1. 01The salt lineBerries sit below the salt. Sweet potato sits above it.
2. 02The formula memoryThe first five ingredients follow the format. Everything after salt follows the brand.
3. 03The vitamin packMost formula matches between brands are the vitamin pack.
4. 04The format taxEach format comes with its own ingredients.
5. 05The protein claimEven "high protein" kibble has less protein than wet or freeze-dried food.

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