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Iams vs Ziwi Peak

Iams vs. Ziwi Peak

In this comparison article for Iams vs Ziwi Peak, we'll highlight the key differences between these two pet food brands. To properly compare Iams and Ziwi Peak, 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 Ziwi Peak 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 Ziwi Peak Review Page.

Guaranteed Analysis: Ziwi Peak 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. Ziwi Peak Dog Food

Dry Dog Food Iams Ziwi Peak
Crude Protein 27.8% 45.1%
Crude Fat 15.1% 34.8%
Crude Fiber 5.1% 2.7%
Wet/Canned Dog Food Iams Ziwi Peak
Crude Protein 42.7% 43.9%
Crude Fat 23.1% 26.0%
Crude Fiber 6.0% 7.6%

Crude Protein Comparison For Dog Food

Dogs require twenty-two amino acids to sustain life. Twelve of these amino acids are synthesized naturally, the remaining ten are consumed. Protein is the nutrient which provides some or all of these ten essential amino acids.

On average, Ziwi Peak dry dog food recipes contain 17.27% more protein than Iams recipes. Clearly, there is a significant difference between the protein content of Iams and Ziwi Peak. For wet dog foods, Ziwi Peak and Iams provide roughly the same amount of protein.


Crude Fat Comparison For Dog Food

Like protein, fats are an essential part of a dog's body. Fats are needed for the proper development and function of the canine body.

When you look at the average percentages of crude fat for dry dog food, it's clear that Ziwi Peak provides significantly more fat. On average, Ziwi Peak guarantees about 19.65% more protein than Iams. For wet dog foods, Ziwi Peak typically provides a little more fat (about 2.87% more).


If you look at the average percentages of crude fiber, you'll notice that Iams typically guarantees 2.40% more fiber. This is a fairly small difference between Iams and Ziwi Peak, but still worth mentioning. For wet dog foods, Ziwi Peak and Iams provide roughly the same amount of fiber.

Iams Cat Food vs. Ziwi Peak Cat Food

Dry Cat Food Iams Ziwi Peak
Crude Protein 36.0% 45.5%
Crude Fat 16.8% 34.4%
Crude Fiber 4.3% 2.8%
Wet/Canned Cat Food Iams Ziwi Peak
Crude Protein 50.6% 45.9%
Crude Fat 19.2% 24.5%
Crude Fiber 13.2% 7.7%

Crude Protein Comparison For Cat Food

Cats require twenty-two amino acids to sustain life. Eleven of these amino acids are synthesized naturally, the remaining eleven are consumed. Protein is the nutrient which provides some or all of these eleven essential amino acids.

The comparison table above shows that Ziwi Peak dry cat foods provide significantly more protein than Iams. More specifically, Ziwi Peak guarantees at least 9.48% more protein. For wet cat foods, Iams provides more protein (about 4.67% more).


Crude Fat Comparison For Cat Food

There are many ways in which dietary fat contributes to the overall health of our feline friends. Here is a short list of benefits provided by fats (not exhaustive):

  • Help transport nutrients across cell membranes
  • Fats produce metabolites, which help control inflammation
  • Maintain healthy blood pressure
  • Slow the growth of yeast infections
  • Fats improve the taste/texture of food.

Ziwi Peak dry cat foods clearly provides more fat than Iams. In fact, the difference between the fat content is roughly 17.69%, which is a significant amount. For wet cat foods, Ziwi Peak provides more fat (about 5.30% more).


As you can see, Ziwi Peak and Iams guarantee a similar amount of crude fiber. For wet cat foods, Iams provides more fiber (about 5.46% more).

Iams Pet Food Ingredients vs. Ziwi Peak 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
Vegetable Oil
Feeding Oatmeal
Poultry Giblets
Beef By-Products
Corn Gluten Meal
Meat By-Products
Ground Yellow Corn
Powdered Cellulose
Chicken By-Products
Dried Tomato Pomace
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)

Here are some of the controversial ingredients used only by Ziwi Peak.

Lamb Plasma

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 & Ziwi Peak?

Iams has been recalled 2 times.

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

According to our records, Ziwi Peak has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Iams Ziwi Peak
Per Pound $1.51 $21.98
Per Calorie $0.0009 $0.0095
Dry Cat Food Iams Ziwi Peak
Per Pound $2.25 $28.84
Per Calorie $0.0013 $0.0125
Wet Dog Food Iams Ziwi Peak
Per Pound $2.59 $8.42
Per Calorie $0.0055 $0.0146
Wet Cat Food Iams Ziwi Peak
Per Pound $8.13 $12.73
Per Calorie $0.0181 $0.0225

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 Ziwi Peak, 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 Ziwi Peak 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 Ziwi Peak. 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:


33 Recipes In-Stock Today

19 Recipes In-Stock Today

24 Recipes In-Stock Today

Where To Buy Ziwi Peak Pet Foods

You can purchase Ziwi Peak pet food products from these retailers:


46 Recipes In-Stock Today

22 Recipes In-Stock Today

27 Recipes In-Stock Today

22 Recipes In-Stock Today

Type Of Pet Foods Available

Product Iams Ziwi Peak
Dry Dog Food 29 Recipes 9 Recipes
Wet Dog Food 10 Recipes 9 Recipes
Dog Treats 11 Treats
Dry Cat Food 12 Recipes 8 Recipes
Wet Cat Food 37 Recipes 10 Recipes
Cat Treats 2 Treats

Compare Pet Food Prices Across Multiple Pet Stores