INGREDIENT
Vitamin B12
A B vitamin built around a cobalt atom, found naturally only in animal tissue.
Why it turns up in dog food
- Essential for red blood cell formation and nerve function. Plant-heavy recipes rely on it being added.
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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