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Iams vs Zignature

Iams vs. Zignature

In this comparison article for Iams vs Zignature, we'll highlight the key differences between these two pet food brands. To properly compare Iams and Zignature, we'll use up-to-date nutritional and price information.

There are many factors to consider when choosing the best pet food brand for your pet. Factors such as ingredient quality, guaranteed analysis, product safety, brand history, and cost are among the most important factors to consider.

Throughout this Zignature vs Iams comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Iams Review Page or Zignature Review Page.

Guaranteed Analysis: Zignature vs. Iams

According to AAFCO, all pet food labels must provide a guaranteed analysis of nutrient content. The analysis must provide guaranteed minimum percentages of crude protein and crude fat, and maximum percentages of crude fiber and moisture.

All percentages used in this comparison are averages reported on a dry matter basis.

Iams Dog Food vs. Zignature Dog Food

Dry Dog Food Iams Zignature
Crude Protein 27.8% 32.8%
Crude Fat 15.1% 17.1%
Crude Fiber 5.1% 5.7%
Wet/Canned Dog Food Iams Zignature
Crude Protein 42.0% 43.7%
Crude Fat 24.0% 24.8%
Crude Fiber 5.8% 6.2%

Crude Protein Comparison For Dog Food

Protein is an extremely important part of your dog's diet. Without sufficient protein, dogs can develop a wide-range of serious health problems.

Iams dry recipes contain 4.96% less protein than Zignature dry recipes. This difference in protein content is a notable difference between Zignature and Iams. For wet dog foods, Zignature and Iams provide roughly the same amount of protein.


Crude Fat Comparison For Dog Food

Dietary fats serves a multitude of roles in the proper development and function of our canine companions. Here are some of the benefits (not exhaustive):

  • Help produce prostaglandins, which reduce inflammation among other critical functions.
  • Aid in the absorption of fat-soluble vitamins
  • Improve skin and coat health
  • Improve the palatially of your dog's food

Both brands provide roughly the same amount of crude fat. With regards to wet dog food, Zignature and Iams also provide roughly the same amount of crude fat.


As you can see, Iams and Zignature guarantee a similar amount of crude fiber. With regards to wet dog food, Zignature and Iams also provide roughly the same amount of crude fiber.

Iams Pet Food Ingredients vs. Zignature Pet Food Ingredients

Here are some of the controversial ingredients used only by Iams.

Liver
Caramel
Beet Pulp
Corn Meal
Canola Oil
Corn Grits
Iron Oxide
Canola Meal
Fish Digest
Ground Corn
Pea Protein
Brewers Rice
Wheat Gluten
Caramel Color
Tomato Pomace
Vegetable Oil
Feeding Oatmeal
Poultry Giblets
Beef By-Products
Corn Gluten Meal
Meat By-Products
Ground Yellow Corn
Powdered Cellulose
Chicken By-Products
Dried Meat By-Products
Chicken By-Product Meal
Ground Whole Grain Corn
Poultry By-Product Meal
Soybean Protein Isolate
Animal Fat (Preserved With Mixed Tocopherols)
Poultry Fat (Preserved With Mixed Tocopherols)

We believe that certain pet food ingredients are linked to adverse health affects; these ingredients are classified as harmful.

Here are some of the harmful ingredients used only by Iams.

Blue 2
Red 40
Corn Oil
Yellow 5
Yellow 6
Ethoxyquin
Added Color
Menadione Sodium Bisulfite Complex
Menadione Dimethylpyrimidinol Bisulfite

Product Safety: Recall History of Iams & Zignature?

Iams has been recalled 2 times.

  • Aug. 14, 2013: Salmonella
  • July 30, 2010: Salmonella

According to our records, Zignature has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Iams Zignature
Per Pound $1.34 $2.85
Per Calorie $0.0008 $0.0022
Wet Dog Food Iams Zignature
Per Pound $1.72 $4.45
Per Calorie $0.0035 $0.0090

The average cost-per-lb is heavily influenced by the varying amounts of moisture present in each brand's food products (wet vs. dry food, dry vs. freeze-dried food, etc). However, the average cost-per-kcal eliminates the influence of moisture. Therefore, the average cost-per-kcal is the better metric to consider.

If you'd like to calculate the average cost-per-day or cost-pet-year of feeding Iams or Zignature, input your pet's weight into our cost analyzer widget.

Averages price data can identify whether or not there exists a significant price difference between two brands. However, the actual price that you'll pay for Iams or Zignature will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Iams and Zignature. In addition, we currently have some great coupons for our readers.


Disclosure: PawDiet has an affiliate relationship with stores featured (or linked-to) in this article. We are compensated for referring customers. Thank you for shopping with our retail partners!

Where To Buy Iams Pet Foods

You can purchase Iams pet foods from the following stores:


39 Recipes In-Stock Today

28 Recipes In-Stock Today

28 Recipes In-Stock Today

1 Recipes In-Stock Today

Where To Buy Zignature Pet Foods

You can purchase Zignature pet food products from these retailers:


30 Recipes In-Stock Today

25 Recipes In-Stock Today

4 Recipes In-Stock Today

23 Recipes In-Stock Today

14 Recipes In-Stock

Type Of Pet Foods Available

Product Iams Zignature
Dry Dog Food 29 Recipes 18 Recipes
Wet Dog Food 10 Recipes 13 Recipes
Dog Treats 13 Treats
Dry Cat Food 12 Recipes
Wet Cat Food 31 Recipes
Cat Treats 2 Treats

Compare Pet Food Prices Across Multiple Pet Stores