Nature's Variety Instinct Original Grain-Free Duck vs. Nulo FreeStyle High-Meat Turkey & Duck

Nature's Variety has a better protein to fat ratio. Nulo's ratio of 2.22 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) Nulo has slightly 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 5th ingredient).

Nature's Variety Instinct Original Grain-Free Duck

Nature's Variety has a better protein to fat ratio. Nulo's ratio of 2.22 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 5th ingredient).

Legend

First 10 ingredients:

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

Nulo FreeStyle High-Meat Turkey & Duck

Nulo has slightly fewer ingredients, which is usually a good thing.

First 10 ingredients:

deboned turkey turkey meal menhaden fish meal deboned cod yellow peas red lentils chicken fat deboned duck sweet potatoes chickpeas