INGREDIENT
Gelatin by-Product
The residual material left from gelatin manufacture.
Why It Turns Up In Dog Food
- Supplies collagen-derived amino acids such as glycine and proline. A by-product fraction rather than a primary protein.
An ingredient on its own tells you very little.
What matters is how much of it there is and where it sits in the list. That is why we weigh
the top five rather than reacting to any single name further down.
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