Purina Pro Plan vs Iams

Purina Pro Plan vs. Iams

In this comparison article for Purina Pro Plan vs Iams, we'll highlight the key differences between these two pet food brands. To properly compare Purina Pro Plan and Iams, 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 Iams vs Purina Pro Plan comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Purina Pro Plan Review Page or Iams Review Page.

Guaranteed Analysis: Iams vs. Purina Pro Plan

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.

Purina Pro Plan Dog Food vs. Iams Dog Food

Dry Dog Food Purina Pro Plan Iams
Crude Protein 31.8% 27.4%
Crude Fat 17.9% 14.6%
Crude Fiber 4.3% 5.1%
Wet/Canned Dog Food Purina Pro Plan Iams
Crude Protein 47.3% 42.0%
Crude Fat 16.4% 24.0%
Crude Fiber 7.2% 5.8%

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.

Our analysis shows that Purina Pro Plan guarantees 4.39% more protein than Iams dry dog food recipes. In addition, Purina Pro Plan wet dog foods also provide more protein than Iams wet foods.


Crude Fat Comparison For Dog Food

Fats are an absolutely vital component of a balanced canine diet. Not only do fats provide energy, but they also serve important roles in the normal development and function of your dog's body. For example, fats help dogs produce prostaglandins, which reduce inflammation among many other significant functions.

According to our data, Purina Pro Plan guarantees 3.29% more fat than Iams. Although this difference is relatively small, it's still a notable difference. In addition, Iams wet dog foods also provide more fat than Purina Pro Plan wet foods.


Purina Pro Plan and Iams both provide roughly the same amount of crude fiber. With regards to wet dog food, Purina Pro Plan and Iams also provide roughly the same amount of crude fiber.

Purina Pro Plan Cat Food vs. Iams Cat Food

Dry Cat Food Purina Pro Plan Iams
Crude Protein 45.6% 36.2%
Crude Fat 17.4% 16.8%
Crude Fiber 3.6% 4.3%
Wet/Canned Cat Food Purina Pro Plan Iams
Crude Protein 51.5% 50.5%
Crude Fat 17.1% 19.0%
Crude Fiber 6.9% 14.7%

Crude Protein Comparison For Cat Food

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

When you look at the average percentages of crude protein for dry cat food, it's clear that Purina Pro Plan provides significantly more protein. On average, Purina Pro Plan guarantees about 9.47% more protein than Iams. For wet cat foods, Purina Pro Plan and Iams provide roughly the same amount of protein.


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):

  • Fats help with the digestion and absorption of fat-soluble vitamins
  • Reduce inflammation associated with arthritis
  • Slow the growth of yeast infections
  • Prevent or reduce the likelihood of certain heart problems.
  • Aid in the development of the retina and visual cortex.

There is a relatively insignificant difference between the crude fat content of the two brands. With regards to wet cat food, Iams and Purina Pro Plan also provide roughly the same amount of crude fat.


Both brands provide roughly the same amount of crude fiber. For wet cat foods, Iams provides more fiber (about 7.75% more).

Purina Pro Plan Pet Food Ingredients vs. Iams Pet Food Ingredients

Purina Pro Plan and Iams both use the following controversial ingredients in many of their products:

Liver
Canola Oil
Canola Meal
Pea Protein
Brewers Rice
Wheat Gluten
Caramel Color
Vegetable Oil
Poultry Giblets
Corn Gluten Meal
Meat By-Products
Ground Yellow Corn
Powdered Cellulose
Chicken By-Products
Chicken By-Product Meal
Poultry By-Product Meal
Soybean Protein Isolate
Animal Fat (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Purina Pro Plan.

Poultry
Ground Wheat
Animal Digest
Garlic Powder
Soybean Flour
Soybean Hulls
Corn Germ Meal
Dried Corn Syrup
Whole Grain Corn
Whole Grain Wheat
Poultry By-Products
Soybean Protein Concentrate

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

Caramel
Beet Pulp
Corn Meal
Corn Grits
Iron Oxide
Fish Digest
Ground Corn
Tomato Pomace
Feeding Oatmeal
Beef By-Products
Dried Meat By-Products
Ground Whole Grain Corn
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.

Purina Pro Plan and Iams both use the following harmful ingredients in many of their products:

Corn Oil
Yellow 5
Added Color
Menadione Sodium Bisulfite Complex

Here are some of the harmful ingredients used only by Purina Pro Plan.

Bha
Bht
Red 3

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

Blue 2
Red 40
Yellow 6
Ethoxyquin
Menadione Dimethylpyrimidinol Bisulfite

Product Safety: Recall History of Purina Pro Plan & Iams?

Purina Pro Plan has been recalled once.

  • March 9, 2016: Incorrect Vitamins and Minerals

Iams has been recalled 2 times.

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Purina Pro Plan Iams
Per Pound $2.03 $1.39
Per Calorie $0.0011 $0.0008
Dry Cat Food Purina Pro Plan Iams
Per Pound $2.80 $2.13
Per Calorie $0.0015 $0.0013
Wet Dog Food Purina Pro Plan Iams
Per Pound $2.78 $1.67
Per Calorie $0.0061 $0.0034
Wet Cat Food Purina Pro Plan Iams
Per Pound $4.76 $4.81
Per Calorie $0.0112 $0.0102

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 Purina Pro Plan or Iams, 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 Purina Pro Plan or Iams will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Purina Pro Plan and Iams. 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 Purina Pro Plan Pet Foods

You can purchase Purina Pro Plan pet foods from the following stores:







Where To Buy Iams Pet Foods

You can purchase Iams pet food products from these retailers:








Type Of Pet Foods Available

Product Purina Pro Plan Iams
Dry Dog Food 42 Recipes 28 Recipes
Wet Dog Food 29 Recipes 10 Recipes
Dog Treats 2 Treats
Dry Cat Food 22 Recipes 14 Recipes
Wet Cat Food 66 Recipes 31 Recipes
Cat Treats 4 Treats 2 Treats

Compare Pet Food Prices Across Multiple Pet Stores

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