IAMS Proactive Health High Protein vs. Marshall Ferret Crunch

Marshall has slightly fewer ingredients, which is usually a good thing. Marshall has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods are pea-free. Marshall contains controversial ingredients.

IAMS Proactive Health High Protein

Marshall contains controversial ingredients.

Legend

First 10 ingredients:

chicken chicken byproduct meal corn grits ground whole grain corn salmon chicken meal dried plain beet pulp natural flavor sodium bisulfate caramel color

Marshall Ferret Crunch

Marshall has slightly fewer ingredients, which is usually a good thing.
Marshall has a slightly lower concentration of fruits, veggies, grains, and starches.

First 10 ingredients:

chicken by-products chicken chicken by-product meal corn meal dried beet pulp brewers dried yeast dl-methionine l-lysine sodium propionate and mixed tocopherols taurine