INGREDIENT
Marigold
The flower of the marigold plant, a natural source of lutein.
Why It Turns Up In Dog Food
- Supplies lutein, a carotenoid that concentrates in the retina and is studied for eye health.
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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