The familiar white potato, used as a carbohydrate source in many grain-free foods. Potato starch binds kibble; potato protein is a concentrated plant protein that lifts the protein figure on the bag. Cooked potato is safe and well digested. Grain-free foods built on potatoes and legumes were part of the FDA's 2018 to 2022 look at diet-associated heart disease in dogs, which did not establish a cause; the agency has not asked for any to be withdrawn.
How it appears on labels
You may see it listed as potatoes, dried potatoes, potato starch, potato protein, potato flour, dehydrated potatoes.
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Sources
- FDA, investigation into potential link between certain diets and canine dilated cardiomyopathy
- Merck Veterinary Manual, nutritional requirements of dogs and cats
