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Castor & Pollux Natural Ultramix Salmon Grain-Free & Poultry-Free 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 21 synthetic additives (so it is not all-natural), it has 6 anti-nutrients including Dried Peas, Dried Potato, and Tapioca Starch (which may interfere with the absorption of essential nutrients), and it has 3 other sketchy ingredients, including Natural Salmon Flavor 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
  • 21 Synthetics
  • 6 Anti-Nutrients
  • 3 Sketchy Ingredients

Detailed Comparison

Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Castor & Pollux Natural Ultramix Salmon Grain-Free & Poultry-Free 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
6 Anti-Nutrients:
Dried peas, Dried potato, Tapioca starch, Pea protein concentrate, Freeze dried peas, Dried sweet potatoes
All-Natural
21 Synthetics:
Canola oil (preserved with mixed tocopherols and citric acid), Monocalcium phosphate, Potassium chloride, Dicalcium phosphate, Fructooligosaccharide, Vitamins (vitamin e supplement, L-ascorbyl-2 polyphosphate, Vitamin a supplement, Calcium pantothenate, Vitamin b12 supplement, Thiamine mononitrate, Pyridoxine hydrochloride, Folic acid, Vitamin d3 supplement), Minerals (zinc proteinate, Iron proteinate, Copper proteinate, Manganese proteinate, Calcium iodate, Sodium selenite), Choline chloride
Nothing sketchy
3 Other Sketchy Ingredients:
Tomato pomace, Natural salmon flavor, 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:
Salmon, Salmon Meal, Herring Meal, Menhaden Fish Meal, Dried Peas, Dried Potato, Tapioca Starch, Canola Oil (Preserved with Mixed Tocopherols and Citric Acid), Pea Protein Concentrate, Tomato Pomace, Dried Bananas, Natural Salmon Flavor, Ground Whole Flaxseed, Brewers Dried Yeast, Dried Carrots, Monocalcium Phosphate, Salt, Freeze Dried Peas, Potassium Chloride, Dicalcium Phosphate, Dried Cranberries, Dried Sweet Potatoes, Fructooligosaccharide, Vitamins (Vitamin E Supplement, L-Ascorbyl-2 Polyphosphate, Vitamin A Supplement, Calcium Pantothenate, Niacin, Riboflavin, Vitamin B12 Supplement, Biotin, Thiamine Mononitrate, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), Minerals (Zinc Proteinate, Iron Proteinate, Copper Proteinate, Manganese Proteinate, Calcium Iodate, Sodium Selenite), Choline Chloride, Rosemary Extract.