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Royal Canin vs Purina Pro Plan

Royal Canin vs. Purina Pro Plan

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

Guaranteed Analysis: Purina Pro Plan vs. Royal Canin

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.

Royal Canin Dog Food vs. Purina Pro Plan Dog Food

Dry Dog Food Royal Canin Purina Pro Plan
Crude Protein 27.8% 32.1%
Crude Fat 16.2% 17.9%
Crude Fiber 4.7% 4.3%
Wet/Canned Dog Food Royal Canin Purina Pro Plan
Crude Protein 36.8% 45.5%
Crude Fat 20.0% 19.5%
Crude Fiber 12.1% 7.0%

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.

The table shows that Royal Canin provides far less protein than Purina Pro Plan. The difference in protein content is roughly 4.21%. In addition, Purina Pro Plan wet dog foods also provide more protein than Royal Canin wet foods.


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.

As you can see, Royal Canin and Purina Pro Plan guarantee a similar amount of crude fat. With regards to wet dog food, Royal Canin and Purina Pro Plan also provide roughly the same amount of crude fat.


Purina Pro Plan and Royal Canin both provide roughly the same amount of crude fiber. For wet dog foods, Royal Canin provides more fiber (about 5.05% more).

Royal Canin Cat Food vs. Purina Pro Plan Cat Food

Dry Cat Food Royal Canin Purina Pro Plan
Crude Protein 34.5% 44.2%
Crude Fat 15.7% 17.0%
Crude Fiber 6.9% 3.8%
Wet/Canned Cat Food Royal Canin Purina Pro Plan
Crude Protein 50.4% 50.1%
Crude Fat 12.8% 17.8%
Crude Fiber 10.6% 7.3%

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.

On average, Purina Pro Plan dry cat food recipes contain 9.65% more protein than Royal Canin recipes. Clearly, there is a significant difference between the protein content of Royal Canin and Purina Pro Plan. For wet cat foods, Royal Canin and Purina Pro Plan 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):

  • 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.

There is a relatively insignificant difference between the crude fat content of the two brands. For wet cat foods, Purina Pro Plan provides more fat (about 5.02% more).


If you look at the average percentages of crude fiber, you'll notice that Royal Canin typically guarantees 3.02% more fiber. This is a fairly small difference between Royal Canin and Purina Pro Plan, but still worth mentioning. In addition, Royal Canin wet cat foods also provide more fiber than Purina Pro Plan wet foods.

Royal Canin Pet Food Ingredients vs. Purina Pro Plan Pet Food Ingredients

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

Corn Grits
Canola Meal
Pea Protein
Brewers Rice
Wheat Gluten
Vegetable Oil
Corn Gluten Meal
Powdered Cellulose
Chicken By-Products
Chicken By-Product Meal
Soybean Protein Isolate

Here are some of the controversial ingredients used only by Royal Canin.

Corn
Wheat
Caramel
Corn Meal
Corn Flour
Corn Syrup
Rice Hulls
Beef Plasma
Pork Plasma
Tomato Pomace
Propyl Gallate
Pork By-Products
Brewers Rice Flour
Dried Tomato Pomace
Venison By-Products
Duck By-Product Meal
Hydrolyzed Poultry By-Products Aggregate

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

Liver
Poultry
Canola Oil
Ground Wheat
Animal Digest
Caramel Color
Garlic Powder
Soybean Flour
Soybean Hulls
Corn Germ Meal
Poultry Giblets
Dried Corn Syrup
Meat By-Products
Whole Grain Corn
Whole Grain Wheat
Ground Yellow Corn
Poultry By-Products
Poultry By-Product Meal
Soybean Protein Concentrate
Animal Fat (Preserved With Mixed Tocopherols)

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

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

Bha
Menadione Sodium Bisulfite Complex

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

Bht
Corn Oil
Yellow 5
Added Color
Menadione Sodium Bisulfate Complex
Pork Fat (Preserved With Tbhq And Citric Acid)
Animal Fat (Preserved With Tbhq And Citric Acid)

Product Safety: Recall History of Royal Canin & Purina Pro Plan?

Royal Canin has been recalled 3 times.

  • May 11, 2007: Melamine
  • April 19, 2007: Melamine
  • Feb. 2, 2006: excess level of vitamin D3

Purina Pro Plan has been recalled once.

  • March 9, 2016: Incorrect Vitamins and Minerals

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Royal Canin Purina Pro Plan
Per Pound $4.93 $2.07
Per Calorie $0.0029 $0.0012
Dry Cat Food Royal Canin Purina Pro Plan
Per Pound $5.58 $3.84
Per Calorie $0.0033 $0.0020
Wet Dog Food Royal Canin Purina Pro Plan
Per Pound $7.10 $3.03
Per Calorie $0.0175 $0.0064
Wet Cat Food Royal Canin Purina Pro Plan
Per Pound $9.95 $5.86
Per Calorie $0.0275 $0.0134

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

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

You can purchase Royal Canin pet foods from the following stores:


114 Recipes In-Stock Today

70 Recipes In-Stock Today

74 Recipes In-Stock Today

Where To Buy Purina Pro Plan Pet Foods

You can purchase Purina Pro Plan pet food products from these retailers:


134 Recipes In-Stock Today

93 Recipes In-Stock Today

124 Recipes In-Stock Today

Type Of Pet Foods Available

Product Royal Canin Purina Pro Plan
Dry Dog Food 89 Recipes 53 Recipes
Wet Dog Food 50 Recipes 43 Recipes
Dog Treats 2 Treats
Dry Cat Food 31 Recipes 31 Recipes
Wet Cat Food 31 Recipes 84 Recipes
Cat Treats 1 Treats

Compare Pet Food Prices Across Multiple Pet Stores