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Royal Canin vs Kirkland Signature

Royal Canin vs. Kirkland Signature

In this comparison article for Royal Canin vs Kirkland Signature, we'll highlight the key differences between these two pet food brands. To properly compare Royal Canin and Kirkland Signature, 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 Kirkland Signature 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 Kirkland Signature Review Page.

Guaranteed Analysis: Kirkland Signature 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. Kirkland Signature Dog Food

Dry Dog Food Royal Canin Kirkland Signature
Crude Protein 27.8% 27.5%
Crude Fat 16.2% 15.3%
Crude Fiber 4.7% 5.4%
Wet/Canned Dog Food Royal Canin Kirkland Signature
Crude Protein 36.8% 44.4%
Crude Fat 20.0% 27.8%
Crude Fiber 12.1% 5.6%

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.

There is a relatively insignificant difference between the crude protein content of the two brands. For wet dog foods, Kirkland Signature provides more protein (about 7.61% more).


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.

Both brands provide roughly the same amount of crude fat. For wet dog foods, Kirkland Signature provides more fat (about 7.73% more).


As you can see, Royal Canin and Kirkland Signature guarantee a similar amount of crude fiber. For wet dog foods, Royal Canin provides more fiber (about 6.50% more).

Royal Canin Cat Food vs. Kirkland Signature Cat Food

Dry Cat Food Royal Canin Kirkland Signature
Crude Protein 34.5% 34.8%
Crude Fat 15.7% 15.9%
Crude Fiber 6.9% 5.9%

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.

Royal Canin and Kirkland Signature both provide roughly the same amount of crude 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.

Royal Canin Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

Royal Canin and Kirkland Signature both use the following controversial ingredients in many of their products:

Pea Protein
Tomato Pomace
Powdered Cellulose

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

Corn
Wheat
Caramel
Corn Meal
Corn Flour
Corn Grits
Corn Syrup
Rice Hulls
Beef Plasma
Canola Meal
Pork Plasma
Brewers Rice
Wheat Gluten
Vegetable Oil
Propyl Gallate
Corn Gluten Meal
Pork By-Products
Brewers Rice Flour
Chicken By-Products
Dried Tomato Pomace
Venison By-Products
Duck By-Product Meal
Chicken By-Product Meal
Soybean Protein Isolate
Hydrolyzed Poultry By-Products Aggregate

Here are some of the controversial ingredients used only by Kirkland Signature.

Canola Oil
Organic Canola Meal
Organic Pea Protein
Canola Oil (Preserved With Mixed Tocopherols)
Organic Canola Oil (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 Royal Canin.

Bha
Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Royal Canin & Kirkland Signature?

Royal Canin has been recalled 3 times.

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

According to our records, Kirkland Signature has never been recalled.


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

75 Recipes In-Stock Today

Where To Buy Kirkland Signature Pet Foods

You can purchase Kirkland Signature pet food products from these retailers:


Type Of Pet Foods Available

Product Royal Canin Kirkland Signature
Dry Dog Food 89 Recipes 12 Recipes
Wet Dog Food 50 Recipes 1 Recipes
Dog Treats 2 Treats
Dry Cat Food 31 Recipes 3 Recipes
Wet Cat Food 31 Recipes
Cat Treats 1 Treats

Compare Pet Food Prices Across Multiple Pet Stores