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Blue Buffalo Nantucket Feast Cod 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 30 synthetic additives (so it is not all-natural), it has 8 anti-nutrients including Peas, Yukon Gold Potatoes, and Pea Protein (which may interfere with the absorption of essential nutrients), and it has 4 other sketchy ingredients, including Garlic and Vegetable Juice for color.

Warning In June 2019, the FDA implicated Blue Buffalo'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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Blue Buffalo
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 30 Synthetics
  • 8 Anti-Nutrients
  • 4 Sketchy Ingredients

Detailed Comparison

Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Blue Buffalo Nantucket Feast Cod
Family-owned Owned by General Mills
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
8 Anti-Nutrients:
Peas, Yukon gold potatoes, Pea protein, Dehydrated alfalfa meal, Potatoes, Pea fiber, Alfalfa nutrient concentrate, Sweet potatoes
All-Natural
30 Synthetics:
Dl-methionine, Potassium chloride, Calcium carbonate, Choline chloride, Zinc amino acid chelate, Zinc sulfate, Ferrous sulfate, Vitamin e supplement, Glucosamine hydrochloride, Iron amino acid chelate, Niacin (vitamin b3), Calcium pantothenate (vitamin b5), Copper sulfate, Biotin (vitamin b7), L-ascorbyl-2-polyphosphate (source of vitamin c), L-lysine, L-carnitine, Vitamin a supplement, Copper amino acid chelate, Manganese sulfate, Taurine, Manganese amino acid chelate, Thiamine mononitrate (vitamin b1), Riboflavin (vitamin b2), Vitamin d3 supplement, Vitamin b12 supplement, Pyridoxine hydrochloride (vitamin b6), Calcium iodate, Folic acid (vitamin b9), Sodium selenite
Nothing sketchy
4 Other Sketchy Ingredients:
Natural flavor, Dried tomato pomace, Garlic, Vegetable juice for color
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:
Deboned Cod Fish, Chicken Meal, Oatmeal, Brown Rice, Barley, Peas, Chicken Fat (preserved with Mixed Tocopherols), Flaxseed (source of Omega 6 Fatty Acids), Menhaden Fish Meal (source of Omega 3 Fatty Acids), Shrimp, Yukon Gold Potatoes, Cranberries, Natural Flavor, Dried Tomato Pomace, Pea Protein, Salt, DL-Methionine, Dehydrated Alfalfa Meal, Dried Chicory Root, Potatoes, Potassium Chloride, Pea Fiber, Alfalfa Nutrient Concentrate, Calcium Carbonate, Choline Chloride, preserved with Mixed Tocopherols, Sweet Potatoes, Carrots, Garlic, Zinc Amino Acid Chelate, Zinc Sulfate, Vegetable Juice for color, Ferrous Sulfate, Vitamin E Supplement, Glucosamine Hydrochloride, Iron Amino Acid Chelate, Blueberries, Barley Grass, Parsley, Turmeric, Dried Kelp, Yucca Schidigera Extract, Niacin (Vitamin B3), Calcium Pantothenate (Vitamin B5), Copper Sulfate, Biotin (Vitamin B7), L-Ascorbyl-2-Polyphosphate (source of Vitamin C), L-Lysine, L-Carnitine, Vitamin A Supplement, Copper Amino Acid Chelate, Manganese Sulfate, Taurine, Manganese Amino Acid Chelate, Thiamine Mononitrate (Vitamin B1), Riboflavin (Vitamin B2), Vitamin D3 Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride (Vitamin B6), Calcium Iodate, Dried Yeast, Dried Enterococcus faecium fermentation product, Dried Lactobacillus acidophilus fermentation product, Dried Aspergillus niger fermentation extract, Dried Trichoderma longibrachiatum fermentation extract, Dried Bacillus subtilis fermentation extract, Folic Acid (Vitamin B9), Sodium Selenite, Oil of Rosemary.