Nature's Variety Instinct Original Grain-Free Duck vs. Brit Premium by Nature Cat Adult Chicken

Nature's Variety has a better protein to fat ratio. Brit's ratio of 2.25 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) Brit has fewer ingredients, which is usually a good thing. Nature's Variety has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods have peas, but Nature's Variety has a lower concentration (9th vs 4th ingredient).

Nature's Variety Instinct Original Grain-Free Duck

Nature's Variety has a better protein to fat ratio. Brit's ratio of 2.25 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.)
Nature's Variety has a slightly lower concentration of fruits, veggies, grains, and starches.
Both foods have peas, but Nature's Variety has a lower concentration (9th vs 4th ingredient).

Legend

First 10 ingredients:

duck turkey meal chicken meal chicken fat white fish meal pacific whiting pacific sole pacific rockfish peas tapioca

Brit Premium by Nature Cat Adult Chicken

Brit has fewer ingredients, which is usually a good thing.

First 10 ingredients:

dehydrated chicken rice chicken fat peas dried apple pulp hydrolyzed chicken liver salmon oil dried spinach mannan-oligosaccharides fructo-oligosaccharides