vs
WholeHearted vs Kirkland Signature

WholeHearted vs. Kirkland Signature

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

Guaranteed Analysis: Kirkland Signature vs. WholeHearted

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.

WholeHearted Dog Food vs. Kirkland Signature Dog Food

Dry Dog Food WholeHearted Kirkland Signature
Crude Protein 29.1% 27.5%
Crude Fat 15.6% 15.3%
Crude Fiber 5.6% 5.4%
Wet/Canned Dog Food WholeHearted Kirkland Signature
Crude Protein 43.6% 44.4%
Crude Fat 24.3% 27.8%
Crude Fiber 7.0% 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.

Kirkland Signature and WholeHearted both provide roughly the same amount of crude protein. With regards to wet dog food, Kirkland Signature and WholeHearted also provide roughly the same amount of crude protein.


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.

There is a relatively insignificant difference between the crude fat content of the two brands. For wet dog foods, Kirkland Signature typically provides a little more fat (about 3.44% more).


Both brands provide roughly the same amount of crude fiber. With regards to wet dog food, WholeHearted and Kirkland Signature also provide roughly the same amount of crude fiber.

WholeHearted Cat Food vs. Kirkland Signature Cat Food

Dry Cat Food WholeHearted Kirkland Signature
Crude Protein 36.7% 34.8%
Crude Fat 15.9% 15.9%
Crude Fiber 5.2% 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.

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

WholeHearted Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

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

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

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

Beet Pulp
Iron Oxide
Caramel Color
Dried Tomato Pomace

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

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 WholeHearted.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of WholeHearted & Kirkland Signature?

According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of WholeHearted 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 WholeHearted Pet Foods

You can purchase WholeHearted pet foods from the following stores:


Where To Buy Kirkland Signature Pet Foods

You can purchase Kirkland Signature pet food products from these retailers:


Type Of Pet Foods Available

Product WholeHearted Kirkland Signature
Dry Dog Food 22 Recipes 12 Recipes
Wet Dog Food 21 Recipes 1 Recipes
Dog Treats 18 Treats
Dry Cat Food 11 Recipes 3 Recipes
Wet Cat Food 17 Recipes
Cat Treats 14 Treats

Compare Pet Food Prices Across Multiple Pet Stores