Health & WellbeingAffordable high-protein dog food like Wellness Core? What about grain-free?
I would recommend Purina Pro Plan, Hills Science Diet, or Eukanuba diets. The reason is that they all do good testing of products and have veterinarians on staff making sure the food is nutritionally balanced. There are many "boutique" food available these days that look great, but aren't ideally formulated or researched. If Sullivan is an usually active dog (hunts, does competitive agility/fly ball etc, or is a police dog), there are variations of these food for more active dogs.
I do not recommend a grain free diet. This is really just a fad born out of increased awareness of gluten-free diets and celiac in people. 99.999% of the time, when dogs have food allergies it is related to an animal protein. The grain free diets are actually more likely to give dogs intestinal issues because they tend to be higher in fat.
I hope you find a diet that Sullivan likes and that fits your budget!
Updated on November 25th, 2025
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