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Orijen vs Kirkland Signature

Orijen vs. Kirkland Signature

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

Guaranteed Analysis: Kirkland Signature vs. Orijen

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.

Orijen Dog Food vs. Kirkland Signature Dog Food

Dry Dog Food Orijen Kirkland Signature
Crude Protein 42.8% 27.5%
Crude Fat 23.5% 15.3%
Crude Fiber 5.9% 5.4%

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.

When you look at the average percentages of crude protein for dry dog food, it's clear that Orijen provides significantly more protein. On average, Orijen guarantees about 15.26% more protein than Kirkland Signature.


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.

The comparison table above shows that Orijen dry dog foods provide significantly more fat than Kirkland Signature. More specifically, Orijen guarantees at least 8.25% more fat.


Kirkland Signature and Orijen both provide roughly the same amount of crude fiber.

Orijen Cat Food vs. Kirkland Signature Cat Food

Dry Cat Food Orijen Kirkland Signature
Crude Protein 45.3% 34.8%
Crude Fat 21.1% 15.9%
Crude Fiber 4% 5.9%

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.

Orijen dry cat foods clearly provides more protein than Kirkland Signature. In fact, the difference between the protein content is roughly 10.52%, which is a significant amount.


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.

Our analysis shows that Orijen guarantees 5.19% more fat than Kirkland Signature dry cat food recipes.


There is a relatively insignificant difference between the crude fiber content of the two brands.

Orijen Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

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

Canola Oil
Pea Protein
Tomato Pomace
Powdered Cellulose
Organic Canola Meal
Organic Pea Protein
Canola Oil (Preserved With Mixed Tocopherols)
Organic Canola Oil (Preserved With Mixed Tocopherols)

Product Safety: Recall History of Orijen & Kirkland Signature?

Orijen has been recalled once.

  • Nov. 22, 2008: irradiation treatment consequences

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 Orijen Pet Foods

You can purchase Orijen pet foods from the following stores:


14 Recipes In-Stock Today

28 Recipes In-Stock Today

24 Recipes In-Stock Today

26 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 Orijen Kirkland Signature
Dry Dog Food 9 Recipes 12 Recipes
Wet Dog Food 1 Recipes
Dog Treats 9 Treats
Dry Cat Food 5 Recipes 3 Recipes
Wet Cat Food
Cat Treats 6 Treats

Compare Pet Food Prices Across Multiple Pet Stores