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Zignature Lamb Limited Ingredient Formula 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 20 synthetic additives (so it is not all-natural), it has 5 anti-nutrients including Peas, Chickpeas, and Pea Flour (which may interfere with the absorption of essential nutrients), and it has 2 other sketchy ingredients, including Natural Flavors and Dried Beet Pulp.

Warning: In June 2019, the FDA implicated Zignature'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 Zignature
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 20 Synthetics
  • 5 Anti-Nutrients
  • 2 Sketchy Ingredients
Detailed Comparison
Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Zignature Lamb Limited Ingredient Formula Grain-Free Dry Dog Food
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
5 Anti-Nutrients:
Peas, Chickpeas, Pea flour, Pea protein, Dehydrated alfalfa meal
All-Natural
20 Synthetics:
Sunflower oil (preserved with citric acid), Potassium chloride, Minerals(zinc proteinate, Iron proteinate, Copper proteinate, Manganese proteinate, Cobalt proteinate, Chorine chloride, Vitamins (vitamin a acetate, Vitamin d3 supplement, Vitamin e supplement, D-calcium pantothenate, Thiamine mononitrate, Pyridoxine hydrochloride, Riboflavin supplement, Folic acid, Vitamin b12 supplement), Lactic acid, Dl methionine, Calcium iodate
Nothing sketchy
2 Other Sketchy Ingredients:
Natural flavors, Dried beet pulp
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:
Lamb, Lamb Meal, Peas, Chickpeas, Pea Flour, Sunflower Oil (Preserved with Citric Acid), Pea Protein, Flaxseed, Natural Flavors, Dehydrated Alfalfa Meal, Dried Beet Pulp, Potassium Chloride, Salt, Minerals(Zinc Proteinate, Iron Proteinate, Copper Proteinate, Manganese Proteinate, Cobalt Proteinate, Selenium Yeast), Chorine Chloride, Vitamins (Vitamin A Acetate, Vitamin D3 Supplement, Vitamin E Supplement, Niacin, d-Calcium Pantothenate, Thiamine Mononitrate, Pyridoxine Hydrochloride, Riboflavin Supplement, Folic Acid, Biotin, Vitamin B12 Supplement), Blueberries, Carrots, Cranberries, Lactic Acid, DL Methionine, Calcium Iodate, Preserved with Mixed Tocopherols.
* 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.