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Nutro Ultra Duck 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 18 synthetic additives (so it is not all-natural), it has 5 anti-nutrients including Lentils, Dried Potatoes, and Chickpeas (which may interfere with the absorption of essential nutrients), and it has 1 other sketchy ingredient, Natural Flavor.

Warning In June 2019, the FDA implicated Nutro Ultra's dog food in at least 10 cases of Dilated Cardiomyopathy (or DCM), a potentially fatal heart condition.

Read our article about Grain Free Foods And Heart Failure
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Nutro Ultra
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 18 Synthetics
  • 5 Anti-Nutrients
  • 1 Sketchy Ingredient

Detailed Comparison

Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Nutro Ultra Duck
Family-owned Owned by Mars, Inc.
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
5 Anti-Nutrients:
Lentils, Dried potatoes, Chickpeas, Potato starch, Pea protein
All-Natural
18 Synthetics:
Choline chloride, Dl-methionine, Potassium chloride, Mixed tocopherols and citric acid (preservatives), Zinc sulfate, Niacin supplement, Vitamin e supplement, Iron amino acid chelate, D-calcium pantothenate, Riboflavin supplement (vitamin b2), Copper amino acid chelate, Vitamin b12 supplement, Pyridoxine hydrochloride (vitamin b6), Manganese amino acid chelate, Vitamin a supplement, Thiamine mononitrate (vitamin b1), Vitamin d3 supplement, Folic acid
Nothing sketchy
1 Other Sketchy Ingredient:
Natural flavor
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:
Duck, Chicken Meal, Lentils, Lamb Meal, Dried Potatoes, Chickpeas, Chicken Fat (preserved with Mixed Tocopherols), Potato Starch, Pea Protein, Natural Flavor, Pear Puree, Sunflower Oil (preserved with Mixed Tocopherols), Whole Flaxseed, Choline Chloride, DL-Methionine, Potassium Chloride, Basil, Salt, Mixed Tocopherols and Citric Acid (preservatives), Thyme, Parsley, Oregano, Zinc Sulfate, Niacin Supplement, Biotin, Vitamin E Supplement, Iron Amino Acid Chelate, D-Calcium Pantothenate, Selenium Yeast, Riboflavin Supplement (Vitamin B2), Copper Amino Acid Chelate, Vitamin B12 Supplement, Pyridoxine Hydrochloride (Vitamin B6), Manganese Amino Acid Chelate, Vitamin A Supplement, Thiamine Mononitrate (Vitamin B1), Vitamin D3 Supplement, Folic Acid, Rosemary Extract.