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Only Natural Pet vs Kirkland Signature

Only Natural Pet vs. Kirkland Signature

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

Guaranteed Analysis: Kirkland Signature vs. Only Natural Pet

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.

Only Natural Pet Dog Food vs. Kirkland Signature Dog Food

Dry Dog FoodOnly Natural PetKirkland Signature
Crude Protein39.2%27.5%
Crude Fat16.5%15.3%
Crude Fiber6.0%5.4%
Wet/Canned Dog FoodOnly Natural PetKirkland Signature
Crude Protein47.2%44.4%
Crude Fat24.5%27.8%
Crude Fiber5.0%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.

Only Natural Pet dry dog foods clearly provides more protein than Kirkland Signature. In fact, the difference between the protein content is roughly 11.67%, which is a significant amount. For wet dog foods, Only Natural Pet typically provides a little more protein (about 2.77% more).


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

Both brands provide roughly the same amount of crude fat. For wet dog foods, Kirkland Signature typically provides a little more fat (about 3.28% more).


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

Only Natural Pet Cat Food vs. Kirkland Signature Cat Food

Dry Cat FoodOnly Natural PetKirkland Signature
Crude Protein51.4%34.8%
Crude Fat17.6%15.9%
Crude Fiber6.0%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.

On average, Only Natural Pet dry cat food recipes contain 16.59% more protein than Kirkland Signature recipes. Clearly, there is a significant difference between the protein content of Kirkland Signature and Only Natural Pet.


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):

  • Aid in the digestion and absorption of fat-soluble vitamins
  • Improve the health of skin/coat
  • Slow the growth of yeast infections
  • Slow the development and spread of certain type of cancers.
  • Maintain healthy blood pressure

Kirkland Signature and Only Natural Pet both provide roughly the same amount of crude fat.


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

Only Natural Pet Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients

Only Natural Pet and Kirkland Signature both use the following controversial ingredients in many of their products:

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

Here are some of the controversial ingredients used only by Only Natural Pet.

Garlic
Garlic Powder
Organic Canola Oil

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

Canola Oil
Powdered Cellulose
Organic Canola Meal
Organic Pea Protein
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 Only Natural Pet.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Only Natural Pet & Kirkland Signature?

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

You can purchase Only Natural Pet pet foods from the following stores:


11 Recipes In-Stock Today

8 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

ProductOnly Natural PetKirkland Signature
Dry Dog Food16 Recipes12 Recipes
Wet Dog Food8 Recipes1 Recipes
Dog Treats46 TreatsNone
Dry Cat Food7 Recipes3 Recipes
Wet Cat Food7 RecipesNone
Cat Treats7 TreatsNone

Top Rated Only Natural Pet Recipes

Dog Food
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Canine PowerFood Just Fish Feast
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Raw Bars Hunter's Blend With Boar, Pork & Venison
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Cat Food
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Feline PowerFood Game & Poultry Meal Dinner
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Raw Bars Feathered Feast - Chicken, Turkey & Duck
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Top Rated Kirkland Signature Recipes

Dog Food
Kirkland Signature
(Costco) Super Premium Lamb, Rice & Vegetable Formula For Adult Dogs
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Dog Food
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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 Meal & Sweet Potato Recipe Cat Food
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