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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
Sundays Recipe:
Sundays Air-Dried Food for Dogs Beef Recipe Sundays Air-Dried Food for Dogs Chicken Recipe Sundays Air-Dried Food for Dogs Turkey Recipe Sundays Air-Dried Food for Dogs Fish Recipe
Sundays for Dogs 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 Sundays Air-Dried Food for Dogs Human Grade Chicken Recipe Sundays Air-Dried Food for Dogs Human Grade Turkey Recipe Sundays Air-Dried Food for Dogs Human Grade Fish 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:
Beef, Beef Liver, Beef Bone Meal, Sunflower Meal, Flaxseed Meal, Quinoa Seed, Pumpkin, Parsley, Zucchini, Salt, Dried Kelp, Ginger, Kale, Turmeric, Mixed Tocopherols (Preservative), Selenium Yeast, Nutrients sourced from (Carrot, Apple, Tomato, Shiitake Mushroom, Broccoli, Spinach, Red Beet, Cherry, Strawberry, Blueberry)
Chicken, Chicken Liver, Egg, Millet, Oat, Pumpkin, Kale, Ground Bone, Fish Oil, Sea Salt, Flaxseed, Parsley, Turmeric, Chicory Root, Kelp, Mixed Tocopherols (Preservative), Ginger, Blueberries, Nutrients sourced from (Carrots, Apples, Tomatoes, Shiitake Mushrooms, Broccoli, Oranges, Cranberries, Spinach, Beets, Cherries, Strawberries)
Turkey, Turkey Hearts, Turkey Liver, Millet, Bone Meal, Kale, Pumpkin, Fish Oil, Salt, Flaxseed Meal, Mixed Tocopherols (Preservative), Dried Kelp, Ginger, Blueberry, Turmeric, Parsley, Nutrients sourced from (Carrot, Apple, Tomato, Shiitake Mushroom, Broccoli, Spinach, Red Beet, Cherry, Strawberry)
Whitefish, Millet, Salmon, Flaxseed Meal, Pumpkin, Sunflower Oil, Kale, Parsley, Salt, Mixed Tocopherols (Preservative), Fish Oil, Turmeric, Dried Kelp, Selenium Yeast, Nutrients sourced from (Carrot, Apple, Tomato, Shiitake Mushroom, Broccoli, Spinach, Red Beet, Cherry, Strawberry, Blueberry)
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.
* Please note that while we work to keep this information as up-to-date as possible, specific recipes and formulations may have changed since the time that the Comparison Tool was created.