Purina One vs Royal Canin

Purina One vs. Royal Canin

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

Guaranteed Analysis: Royal Canin vs. Purina One

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 One Dog Food vs. Royal Canin Dog Food

Dry Dog Food Purina One Royal Canin
Crude Protein 31.6% 26.5%
Crude Fat 17.1% 15.4%
Crude Fiber 4.3% 5.3%
Wet/Canned Dog Food Purina One Royal Canin
Crude Protein 45.3% 29.7%
Crude Fat 25.8% 16.4%
Crude Fiber 7.1% 10.2%

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.

Our analysis shows that Purina One guarantees 5.08% more protein than Royal Canin dry dog food recipes. In addition, Purina One wet dog foods also provide more protein than Royal Canin 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.

Royal Canin and Purina One both provide roughly the same amount of crude fat. For wet dog foods, Purina One provides significantly more fat (about 9.46% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet dog foods, Royal Canin typically provides a little more fiber (about 3.06% more).

Purina One Cat Food vs. Royal Canin Cat Food

Dry Cat Food Purina One Royal Canin
Crude Protein 40.5% 33.6%
Crude Fat 14.5% 14.6%
Crude Fiber 3.6% 7.3%
Wet/Canned Cat Food Purina One Royal Canin
Crude Protein 55.9% 44.9%
Crude Fat 13.9% 14.5%
Crude Fiber 6.9% 10.4%

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.

There is a relatively large difference between the protein content of Purina One and Royal Canin. On average, Royal Canin dry cat food recipes contain 6.97% less protein than Purina One recipes. In addition, Purina One wet cat foods also provide more protein than Royal Canin wet foods.


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.

Both brands provide roughly the same amount of crude fat. With regards to wet cat food, Royal Canin and Purina One also provide roughly the same amount of crude fat.


According to our data, Royal Canin guarantees 3.70% more fiber than Purina One. Although this difference is relatively small, it's still a notable difference. In addition, Royal Canin wet cat foods also provide more fiber than Purina One wet foods.

Purina One Pet Food Ingredients vs. Royal Canin Pet Food Ingredients

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

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

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

Liver
Ground Wheat
Animal Digest
Caramel Color
Soybean Flour
Soybean Hulls
Corn Germ Meal
Meat By-Products
Whole Grain Corn
Whole Grain Wheat
Ground Yellow Corn
Poultry By-Products
Turkey By-Product Meal
Poultry By-Product Meal
Soybean Protein Concentrate
Animal Fat (Preserved With Mixed Tocopherols)

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

Corn
Wheat
Corn Meal
Corn Flour
Corn Grits
Rice Hulls
Beef Plasma
Pork Plasma
Tomato Pomace
Vegetable Oil
Pork By-Products
Brewers Rice Flour
Chicken By-Products
Dried Tomato Pomace
Venison By-Products
Duck By-Product Meal
Hydrolyzed Poultry By-Products Aggregate

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

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

Menadione Sodium Bisulfite Complex

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

Red 3
Corn Oil
Added Color

Product Safety: Recall History of Purina One & Royal Canin?

Purina One has been recalled once.

  • Aug. 30, 2013: Salmonella

Royal Canin has been recalled 3 times.

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Purina One Royal Canin
Per Pound $1.43 $3.54
Per Calorie $0.0008 $0.0021
Dry Cat Food Purina One Royal Canin
Per Pound $1.71 $5.05
Per Calorie $0.0010 $0.0031
Wet Dog Food Purina One Royal Canin
Per Pound $1.72 $4.51
Per Calorie $0.0034 $0.0103
Wet Cat Food Purina One Royal Canin
Per Pound $5.12 $6.79
Per Calorie $0.0122 $0.0184

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 One or Royal Canin, 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 One or Royal Canin will depend on your shopping habits.

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

You can purchase Purina One pet foods from the following stores:








Where To Buy Royal Canin Pet Foods

You can purchase Royal Canin pet food products from these retailers:










Type Of Pet Foods Available

Product Purina One Royal Canin
Dry Dog Food 14 Recipes 129 Recipes
Wet Dog Food 15 Recipes 35 Recipes
Dog Treats 3 Treats 5 Treats
Dry Cat Food 11 Recipes 54 Recipes
Wet Cat Food 12 Recipes 40 Recipes
Cat Treats 5 Treats

Compare Pet Food Prices Across Multiple Pet Stores

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