The independent dog-nutrition magazine · est. 2026
Dry Food Lab

Dry dog food reviews, feeding charts and ingredient analysis

The ingredient desk

Ingredients

A working glossary of what is actually inside the bag — protein contribution, functional role and the caveats worth knowing before you pay for it.

Ingredient ingredient Zinc proteinate in Dog Food: What It Does and What to Watch Zinc proteinate explained: fiber & extras contributing 0% protein protein, used for skin and coat mineral in chelated form. Label-reading notes and cautions.

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