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Ultimates vs Kirkland Signature

Ultimates vs. Kirkland Signature

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

Guaranteed Analysis: Kirkland Signature vs. Ultimates

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.

Ultimates Dog Food vs. Kirkland Signature Dog Food

Dry Dog FoodUltimatesKirkland Signature
Crude Protein26.3%27.8%
Crude Fat14.9%15.4%
Crude Fiber5.7%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.

Both brands provide roughly the same amount of crude protein.


Crude Fat Comparison For Dog Food

Dietary fats serves a multitude of roles in the proper development and function of our canine companions. Here are some of the benefits (not exhaustive):

  • Help produce prostaglandins, which reduce inflammation among other critical functions.
  • Aid in the absorption of fat-soluble vitamins
  • Improve skin and coat health
  • Improve the palatially of your dog's food

As you can see, Ultimates and Kirkland Signature guarantee a similar amount of crude fat.


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

Ultimates Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

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

Pea Protein
Canola Oil (Preserved With Mixed Tocopherols)

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

Beet Pulp

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

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

Product Safety: Recall History of Ultimates & Kirkland Signature?

According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of Ultimates or Kirkland Signature pet food products.


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 Ultimates Pet Foods

You can purchase Ultimates pet foods from the following stores:


16 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

ProductUltimatesKirkland Signature
Dry Dog Food13 Recipes12 Recipes
Wet Dog FoodNone1 Recipes
Dog Treats4 TreatsNone
Dry Cat FoodNone3 Recipes
Wet Cat FoodNoneNone
Cat TreatsNoneNone

Top Rated Ultimates Recipes

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Jerky Mini Strips With Chicken Protein
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Jerky Bites With Whitefish Protein
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Whole Grain Bison Meal & Rice Recipe For Adult Dogs
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Whole Grain Chicken Meal & Rice Recipe For Large Breed Puppies
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Top Rated Kirkland Signature Recipes

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(Costco) Nature's Domain Salmon & Sweet Potato Formula For Dogs
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(Costco) Super Premium Chicken, Rice & Vegetable Formula For Puppies
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(Costco) Nature's Domain Turkey & Pea Stew For Dogs
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Cat Food
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(Costco) Nature's Domain Salmon & Sweet Potato Formula For Cats
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