Vegan

I don't know much about cats but this seems reasonable: https://cats.com/vegan-cat-food

Vegan cat food isn’t natural. It’s not normal. Cats will always want to kill and eat other animals. And yet—our cats aren’t natural.

Dr. Jennifer Coates, says “While it may be possible for a veterinary nutritionist to design a “vegan” recipe for cats that wouldn’t lead to disease, it would have to contain large amounts of nutritional supplements, some of which would probably have animal origins, raising the question of whether that diet would truly be vegan. Even more importantly, the goal in feeding pets is not simply to avoid diet-related illness but to promote optimal health and wellbeing. I sincerely doubt this is possible with vegan cat food.”