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Blue Buffalo Wilderness Rocky Mountain Recipe with Bison Adult Grain-Free 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 26 synthetic additives (so it is not all-natural), it has 9 anti-nutrients including Pea Protein, Pea Starch, and Peas (which may interfere with the absorption of essential nutrients), and it has 3 other sketchy ingredients, including Natural Flavor 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
Sundays for Dogs Blue Buffalo
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 26 Synthetics
  • 9 Anti-Nutrients
  • 3 Sketchy Ingredients
Detailed Comparison
Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Blue Buffalo Wilderness Rocky Mountain Recipe with Bison Adult Grain-Free Dry Dog Food
Family-owned Owned by General Mills
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
9 Anti-Nutrients:
Pea protein, Pea starch, Peas, Tapioca starch, Potatoes, Dehydrated alfalfa meal, dl-methionine, Pea fiber, Alfalfa nutrient concentrate, Sweet potatoes
All-Natural
26 Synthetics:
Calcium carbonate, Choline chloride, Potassium chloride, Zinc amino acid chelate, Zinc sulfate, Ferrous sulfate, Vitamin e supplement, Iron amino acid chelate, Niacin (vitamin b3), calcium pantothenate (vitamin b5), L-carnitine, L-ascorbyl-2-polyphosphate (source of vitamin c), L-lysine, Copper sulfate, Biotin (vitamin b7), 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
3 Other Sketchy Ingredients:
Dried egg product, dried tomato pomace, Natural flavor, 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 Bison, Chicken Meal (source of Glucosamine), Menhaden Fish Meal (source of Omega 3 Fatty Acids), Pea Protein, Pea Starch, Peas, Tapioca Starch, Potatoes, Dried Egg Product, Dried Tomato Pomace, Natural Flavor, Flaxseed (source of Omega 6 Fatty Acids), Chicken Fat (preserved with Mixed Tocopherols), Dehydrated Alfalfa Meal, DL-Methionine, Dried Chicory Root, Salt, Pea Fiber, Alfalfa Nutrient Concentrate, Calcium Carbonate, Choline Chloride, preserved with Mixed Tocopherols, Sweet Potatoes, Carrots, Potassium Chloride, Zinc Amino Acid Chelate, Zinc Sulfate, Vegetable Juice for color, Ferrous Sulfate, Vitamin E Supplement, Iron Amino Acid Chelate, Blueberries, Cranberries, Barley Grass, Parsley, Turmeric, Dried Kelp, Yucca Schidigera Extract, Niacin (Vitamin B3), Calcium Pantothenate (Vitamin B5), L-Carnitine, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), L-Lysine, Copper Sulfate, Biotin (Vitamin B7), 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.
* 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.