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Wellness vs Kirkland Signature

Wellness vs. Kirkland Signature

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

Guaranteed Analysis: Kirkland Signature vs. Wellness

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.

Wellness Dog Food vs. Kirkland Signature Dog Food

Dry Dog Food Wellness Kirkland Signature
Crude Protein 34.6% 27.5%
Crude Fat 15.8% 15.3%
Crude Fiber 5.6% 5.4%
Wet/Canned Dog Food Wellness Kirkland Signature
Crude Protein 41.7% 44.4%
Crude Fat 24.1% 27.8%
Crude Fiber 4.9% 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.

Our analysis shows that Wellness guarantees 7.15% more protein than Kirkland Signature dry dog food recipes. For wet dog foods, Kirkland Signature typically provides a little more protein (about 2.79% 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.

Kirkland Signature and Wellness both provide roughly the same amount of crude fat. For wet dog foods, Kirkland Signature typically provides a little more fat (about 3.71% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. With regards to wet dog food, Kirkland Signature and Wellness also provide roughly the same amount of crude fiber.

Wellness Cat Food vs. Kirkland Signature Cat Food

Dry Cat Food Wellness Kirkland Signature
Crude Protein 41.9% 34.8%
Crude Fat 16.1% 15.9%
Crude Fiber 4.8% 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.

There is a relatively large difference between the protein content of Wellness and Kirkland Signature. On average, Kirkland Signature dry cat food recipes contain 7.10% less protein than Wellness 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):

  • 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.

Both brands provide roughly the same amount of crude fat.


As you can see, Wellness and Kirkland Signature guarantee a similar amount of crude fiber.

Wellness Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

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

Canola Oil
Pea Protein
Tomato Pomace
Canola Oil (Preserved With Mixed Tocopherols)

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

Garlic
Brewers Rice
Caramel Color
Garlic Powder
Dried Tomato Pomace

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

Powdered Cellulose
Organic Canola Meal
Organic Pea Protein
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 Wellness.

Menadione Sodium Bisulfite
Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Wellness & Kirkland Signature?

Wellness has been recalled 5 times.

  • March 18, 2017: elevated beef throid hormone
  • Feb. 10, 2017: foreign material
  • Oct. 30, 2012: High Moisture
  • May 4, 2012: Salmonella
  • Feb. 28, 2011: Low Levels of Thiamine (Vitamin B1)

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 Wellness Pet Foods

You can purchase Wellness pet foods from the following stores:


222 Recipes In-Stock Today

171 Recipes In-Stock Today

180 Recipes In-Stock Today

31 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 Wellness Kirkland Signature
Dry Dog Food 59 Recipes 12 Recipes
Wet Dog Food 54 Recipes 1 Recipes
Dog Treats 25 Treats
Dry Cat Food 20 Recipes 3 Recipes
Wet Cat Food 74 Recipes
Cat Treats 5 Treats

Compare Pet Food Prices Across Multiple Pet Stores