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Nutrisca vs Kirkland Signature

Nutrisca vs. Kirkland Signature

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

Guaranteed Analysis: Kirkland Signature vs. Nutrisca

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.

Nutrisca Dog Food vs. Kirkland Signature Dog Food

Dry Dog Food Nutrisca Kirkland Signature
Crude Protein 34.1% 27.5%
Crude Fat 19.3% 15.3%
Crude Fiber 7.4% 5.4%
Wet/Canned Dog Food Nutrisca Kirkland Signature
Crude Protein 44.4% 44.4%
Crude Fat 22.2% 27.8%
Crude Fiber 5.6% 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.

The table shows that Kirkland Signature provides far less protein than Nutrisca. The difference in protein content is roughly 6.57%. For wet dog foods, Kirkland Signature and Nutrisca provide roughly the same amount of protein.


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.

If you look at the average percentages of crude fat, you'll notice that Nutrisca typically guarantees 3.98% more fat. This is a fairly small difference between Nutrisca and Kirkland Signature, but still worth mentioning. In addition, Kirkland Signature wet dog foods also provide more fat than Nutrisca wet foods.


As you can see, Kirkland Signature and Nutrisca guarantee a similar amount of crude fiber. With regards to wet dog food, Nutrisca and Kirkland Signature also provide roughly the same amount of crude fiber.

Nutrisca Cat Food vs. Kirkland Signature Cat Food

Dry Cat Food Nutrisca Kirkland Signature
Crude Protein 41.1% 34.8%
Crude Fat 17.8% 15.9%
Crude Fiber 6.1% 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.

Our analysis shows that Nutrisca guarantees 6.30% more protein than Kirkland Signature dry cat food recipes.


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.

Kirkland Signature and Nutrisca both provide roughly the same amount of crude fat.


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

Nutrisca Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

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

Pea Protein

Here are some of the controversial ingredients used only by Nutrisca.

Dried Tomato Pomace

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

Canola Oil
Tomato Pomace
Powdered Cellulose
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 Nutrisca.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Nutrisca & Kirkland Signature?

Nutrisca has been recalled 2 times.

  • Feb. 11, 2015: Salmonella
  • Nov. 2, 2018: elevated levels of Vitamin D

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 Nutrisca Pet Foods

You can purchase Nutrisca pet foods from the following stores:


3 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 Nutrisca Kirkland Signature
Dry Dog Food 3 Recipes 12 Recipes
Wet Dog Food 4 Recipes 1 Recipes
Dog Treats
Dry Cat Food 2 Recipes 3 Recipes
Wet Cat Food 4 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores