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Health Extension Grain-Free Duck Recipe 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 19 synthetic additives (so it is not all-natural), it has 5 anti-nutrients including Chickpeas, Lentils, and Tapioca Starch (which may interfere with the absorption of essential nutrients), but has no other questionable ingredients.

Warning Due to this being a grain-free food that contains legumes or potatoes this Health Extension 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
Health Extension
  • Air-Dried
  • Human Grade
  • All-Natural
  • No Anti-Nutrients
  • No Sketchy Ingredients
  • Hot Extruded Kibble
  • Feed Grade
  • 19 Synthetics
  • 5 Anti-Nutrients
  • No Sketchy Ingredients
Detailed Comparison
Sundays Air-Dried Food for Dogs Human Grade Beef Recipe Health Extension Grain-Free Duck Recipe Dry Dog Food
Human Grade Feed Grade
Air-Dried Hot Extruded Under Extreme Heat And Pressure
No Anti-Nutrients
5 Anti-Nutrients:
Chickpeas, Lentils, Tapioca starch, Fresh whole sweet potatoes, Peas
All-Natural
19 Synthetics:
Potassium chloride, Bovine colostrum, Vitamin a acetate, Vitamin e supplement, Riboflavin supplement, Vitamin b-12 supplement, Vitamin d-3 supplement, Niacin supplement, Choline chloride, Pyridoxine hydrochloride, Thiamine mononitrate, Folic acid, Zinc polysaccharide complex, Iron polysaccharide complex, Manganese polysaccharide complex, Copper polysaccharide complex, Cobalt polysaccharide complex, Calcium iodate, Sodium selenite
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 Duck, Duck Meal, Chickpeas, Lentils, Sunflower Oil (preserved with mixed tocopherols), Tapioca Starch, Deboned Lamb, Fresh Whole Sweet Potatoes, Pumpkin, Peas, Coconut Oil (preserved with mixed tocopherols), Whole Carrots, Dried Seaweed Meal, Pomegranate, Blackberries, Whole Blueberries, Whole Cranberries, Raspberries, Potassium Chloride, Spinach, Turmeric, Tomato, Beets, Parsley, Chicory Root Extract, Sage, Bovine Colostrum, Organic Apple Cider Vinegar, Ginger, Green Tea Extract, Vitamin A Acetate, Vitamin E Supplement, Riboflavin Supplement, Vitamin B-12 Supplement, Vitamin D-3 Supplement, Niacin Supplement, Choline Chloride, Pyridoxine Hydrochloride, Thiamine Mononitrate, Folic Acid, Biotin, Inositol, Organic Dehydrated Kelp, Zinc Polysaccharide Complex, Iron Polysaccharide Complex, Manganese Polysaccharide Complex, Copper Polysaccharide Complex, Cobalt Polysaccharide Complex, Calcium Iodate, Sodium Selenite, Yucca Schidigera Extract, Pectin, Dried Lactobacillus acidophilus Fermentation Product, Dried Lactobacillus casei Fermentation Product, Dried Enterococcus faecium Fermentation Product, Dried Bacillus subtilis Fermentation Product, Dried Bacillus licheniformis Fermentation Product, Dried Baciollus coagulans Fermentation Product, Dried Aspergillus oryzae Fermentation Product, Dried Aspergillus niger Fermentation Product.
* 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.