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15% OFF
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Primal vs. Kirkland Signature
In this comparison article for Primal vs Kirkland Signature, we'll highlight the key differences between these two pet food brands. To properly compare Primal 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 Primal comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Primal Review Page or Kirkland Signature Review Page.
Guaranteed Analysis: Kirkland Signature vs. Primal
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.
Primal Dog Food vs. Kirkland Signature Dog Food
| Dry Dog Food | Primal | Kirkland Signature |
| Crude Protein | 48.0% | 27.5% |
| Crude Fat | 26.7% | 15.3% |
| Crude Fiber | 4.6% | 5.4% |
| Wet/Canned Dog Food | Primal | Kirkland Signature |
| Crude Protein | 49.5% | 44.4% |
| Crude Fat | 28.4% | 27.8% |
| Crude Fiber | 5.3% | 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.
On average, Primal dry dog food recipes contain 20.48% more protein than Kirkland Signature recipes. Clearly, there is a significant difference between the protein content of Kirkland Signature and Primal. For wet dog foods, Primal provides more protein (about 5.07% more).
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.
When you look at the average percentages of crude fat for dry dog food, it's clear that Primal provides significantly more fat. On average, Primal guarantees about 11.44% more protein than Kirkland Signature. For wet dog foods, Primal and Kirkland Signature provide roughly the same amount of fat.
As you can see, Primal and Kirkland Signature guarantee a similar amount of crude fiber. With regards to wet dog food, Kirkland Signature and Primal also provide roughly the same amount of crude fiber.
Primal Cat Food vs. Kirkland Signature Cat Food
| Dry Cat Food | Primal | Kirkland Signature |
| Crude Protein | 50.1% | 34.8% |
| Crude Fat | 24.0% | 15.9% |
| Crude Fiber | 4.8% | 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.
The comparison table above shows that Primal dry cat foods provide significantly more protein than Kirkland Signature. More specifically, Primal guarantees at least 15.33% more 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):
- 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.
Primal dry cat foods clearly provides more fat than Kirkland Signature. In fact, the difference between the fat content is roughly 8.11%, which is a significant amount.
Primal and Kirkland Signature both provide roughly the same amount of crude fiber.
Primal Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients
Here are some of the controversial ingredients used only by Kirkland Signature.
Product Safety: Recall History of Primal & Kirkland Signature?
Primal has been recalled 2 times.
- March 13, 2015: low thiamine level
- Dec. 22, 2017: incorrect bone grind size
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 Primal Pet Foods
You can purchase Primal 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 | Primal | Kirkland Signature |
| Dry Dog Food | None | 12 Recipes |
| Wet Dog Food | None | 1 Recipes |
| Dog Treats | 6 Treats | None |
| Dry Cat Food | None | 3 Recipes |
| Wet Cat Food | None | None |
| Cat Treats | None | None |
Top Rated Primal Recipes
Top Rated Kirkland Signature Recipes
