INGREDIENT
Vitamin D3
The animal-derived form of vitamin D, the form dogs use most efficiently.
Why it turns up in dog food
- Drives calcium and phosphorus absorption and bone mineralisation. Added in tightly controlled amounts.
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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