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Hill's Prescription Diet d/d Skin/Food Sensitivities Potato & Salmon Formula Dry Dog Food is hot extruded (which means it's processed under extreme heat and pressure) and made with feed grade ingredients, which are unfit for human consumption. It contains 24 synthetic additives (so it is not all-natural), it has 4 anti-nutrients including Potatoes, Potato Starch, and Potato Protein (which may interfere with the absorption of essential nutrients), and it has 3 other sketchy ingredients, including Powdered Cellulose and Natural Flavors.

Warning Due to this being a grain-free food that contains legumes or potatoes this Hill's Prescription Diet recipe may be implicated in the FDA's ongoing investigation into diet-related Dilated Cardiomyopathy (or DCM), a potentially fatal heart condition.

Read our article about Grain Free Foods And Heart Failure
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Hill's Prescription Diet
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 24 Synthetics
  • 4 Anti-Nutrients
  • 3 Sketchy Ingredients

Detailed Comparison

Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Hill's Prescription Diet d/d Skin/Food Sensitivities Potato & Salmon Formula Dry Dog Food
Family-owned Owned by Colgate-Palmolive
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
4 Anti-Nutrients:
Potatoes, Potato starch, Potato protein, Soybean oil
All-Natural
24 Synthetics:
Dicalcium phosphate, Lactic acid, Potassium chloride, Calcium carbonate, Choline chloride, Vitamins (vitamin e supplement, L-ascorbyl-2-polyphosphate (source of vitamin c), Niacin supplement, Thiamine mononitrate, Vitamin a supplement, Calcium pantothenate, Vitamin b12 supplement, Pyridoxine hydrochloride, Riboflavin supplement, Folic acid, Vitamin d3 supplement), Dl-methionine, Taurine, Minerals (ferrous sulfate, Zinc oxide, Copper sulfate, Manganous oxide, Calcium iodate, Sodium selenite)
Nothing sketchy
3 Other Sketchy Ingredients:
Pork flavor, Powdered cellulose, Natural flavors
Ingredients:
USDA Beef, Beef Liver, Beef Bone, Pumpkin, Millet, Wild Salmon Oil, Sunflower Oil, Kale, Flaxseed, Zucchini, Sea Salt, Parsely, Kelp, Chicory Root, Turmeric, Mixed Tocopherols, Ginger, Selenium Yeast, Blueberries, Carrots, Apples, Tomatoes, Shiitake Mushrooms, Broccoli, Oranges, Cranberries, Spinach, Beets, Tart Cherries, Strawberries
Ingredients:
Potatoes, Potato Starch, Salmon, Potato Protein, Pork Fat, Soybean Oil, Pork Flavor, Dicalcium Phosphate, Lactic Acid, Fish Oil, Fish Meal, Potassium Chloride, Powdered Cellulose, Iodized Salt, Calcium Carbonate, Choline Chloride, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Biotin, Folic Acid, Vitamin D3 Supplement), DL-Methionine, Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Tryptophan, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene