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Castor & Pollux Natural Ultramix Adult 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 20 synthetic additives (so it is not all-natural), it has 3 anti-nutrients including Dried Peas, Dried Sweet Potatoes, and Freeze Dried Peas (which may interfere with the absorption of essential nutrients), and it has 3 other sketchy ingredients, including Tomato Pomace and Brewers Dried Yeast.

Warning Due to this being a grain-free food that contains legumes or potatoes this Castor & Pollux 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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Castor & Pollux
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 20 Synthetics
  • 3 Anti-Nutrients
  • 3 Sketchy Ingredients

Detailed Comparison

Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Castor & Pollux Natural Ultramix Adult Dry Dog Food
Family-owned Owned by Nestlé
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
3 Anti-Nutrients:
Dried peas, Dried sweet potatoes, Freeze dried peas
All-Natural
20 Synthetics:
Chicken fat (naturally preserved with mixed tocopherols and citric acid), Potassium chloride, Fructooligosaccharide, Dicalcium phosphate, Calcium carbonate, Zinc sulfate, Vitamin e supplement, Choline chloride, Ferrous sulfate, Copper sulfate, Thiamine mononitrate, Calcium pantothenate, Vitamin a supplement, Manganous oxide, Pyridoxine hydrochloride, Sodium selenite, Vitamin d3 supplement, Vitamin b12 supplement, Calcium iodate, Folic acid
Nothing sketchy
3 Other Sketchy Ingredients:
Natural chicken flavor, Tomato pomace, Brewers dried yeast
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:
Chicken, Chicken Meal, Turkey Meal, Milo, Ground Whole Oats, Ground Whole Barley, Chicken Fat (Naturally Preserved with Mixed Tocopherols and Citric Acid), Brown Rice, Dried Bananas, Dried Peas, Natural Chicken Flavor, Tomato Pomace, Dried Sweet Potatoes, Dried Carrots, Salmon Meal, Brewers Dried Yeast, Dried Egg Product, Potassium Chloride, Salt, Freeze Dried Peas, Dried Cranberries, Ground Whole Flaxseed, Fructooligosaccharide, Dicalcium Phosphate, Calcium Carbonate, Zinc Sulfate, Vitamin E Supplement, Choline Chloride, Ferrous Sulfate, Niacin, Copper Sulfate, Thiamine Mononitrate, Calcium Pantothenate, Vitamin A Supplement, Manganous Oxide, Pyridoxine Hydrochloride, Sodium Selenite, Riboflavin, Vitamin D3 Supplement, Biotin, Vitamin B12 Supplement, Calcium Iodate, Folic Acid, Rosemary Extract.