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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 FoodOrijenKirkland Signature
Crude Protein42.9%27.5%
Crude Fat22.6%15.3%
Crude Fiber5.5%5.4%
Wet/Canned Dog FoodOrijenKirkland Signature
Crude Protein57.4%44.4%
Crude Fat24.7%27.8%
Crude Fiber7.8%5.6%

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 15.39% more protein than Kirkland Signature. Similarly, Orijen wet dog foods provide significantly more protein than Kirkland Signature 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.

Our analysis shows that Orijen guarantees 7.34% more fat than Kirkland Signature dry dog food recipes. For wet dog foods, Kirkland Signature typically provides a little more fat (about 3.11% more).


Kirkland Signature and Orijen both provide roughly the same amount of crude fiber. For wet dog foods, Orijen typically provides a little more fiber (about 2.27% more).

Orijen Cat Food vs. Kirkland Signature Cat Food

Dry Cat FoodOrijenKirkland Signature
Crude Protein44.8%34.8%
Crude Fat21.0%15.9%
Crude Fiber4.0%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.

The comparison table above shows that Orijen dry cat foods provide significantly more protein than Kirkland Signature. More specifically, Orijen guarantees at least 9.95% more 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 large difference between the fat content of Orijen and Kirkland Signature. On average, Kirkland Signature dry cat food recipes contain 5.03% less fat than Orijen 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:


38 Recipes In-Stock Today

38 Recipes In-Stock Today

23 Recipes In-Stock Today

27 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

ProductOrijenKirkland Signature
Dry Dog Food14 Recipes12 Recipes
Wet Dog Food3 Recipes1 Recipes
Dog Treats13 TreatsNone
Dry Cat Food7 Recipes3 Recipes
Wet Cat FoodNoneNone
Cat Treats6 TreatsNone

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