INGREDIENT
Lysine
An essential amino acid that dogs must obtain from food.
Why It Turns Up In Dog Food
- Needed for growth, tissue repair and collagen formation. Often the limiting amino acid in grain-heavy recipes.
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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