Nature's Variety Instinct Ultimate Protein Chicken vs. Vitalin British Chicken Complete Ferret Diet

Vitalin has a better protein to fat ratio. Nature's Variety's ratio of 2.76 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) Nature's Variety has slightly fewer ingredients, which is usually a good thing. Vitalin has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods are pea-free. Vitalin contains sugars, which have been linked to insulinoma.

Nature's Variety Instinct Ultimate Protein Chicken

Nature's Variety has slightly fewer ingredients, which is usually a good thing.
Vitalin contains sugars, which have been linked to insulinoma.

Legend

First 10 ingredients:

chicken tapioca chicken fat ground flaxseed natural flavor dried tomato pomace dried whey protein concentrate dicalcium phosphate potassium chloride salt

Vitalin British Chicken Complete Ferret Diet

Vitalin has a better protein to fat ratio. Nature's Variety's ratio of 2.76 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.)
Vitalin has a slightly lower concentration of fruits, veggies, grains, and starches.

First 10 ingredients:

chicken meat meal rice chicken oil sugar beet fish meal brewer’s yeast fish oil chicken liver digest fructo-oligosaccharides mannan-oligosaccharides