In this comparison article for Zignature vs Kirkland Signature, we'll highlight the key differences between these two pet food brands. To properly compare Zignature 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 Zignature comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Zignature Review Page or Kirkland Signature Review Page.
Guaranteed Analysis: Kirkland Signature vs. Zignature
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.
Zignature Dog Food vs. Kirkland Signature Dog Food
Dry Dog Food
Zignature
Kirkland Signature
Crude Protein
32.8%
27.5%
Crude Fat
16.8%
15.3%
Crude Fiber
5%
5.4%
Wet/Canned Dog Food
Zignature
Kirkland Signature
Crude Protein
43.4%
44.4%
Crude Fat
28.0%
27.8%
Crude Fiber
6.6%
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.
The table shows that Kirkland Signature provides far less protein than Zignature. The difference in protein content is roughly 5.25%. For wet dog foods, Kirkland Signature and Zignature provide roughly the same amount of protein.
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.
As you can see, Kirkland Signature and Zignature guarantee a similar amount of crude fat. With regards to wet dog food, Zignature and Kirkland Signature also provide roughly the same amount of crude fat.
Zignature and Kirkland Signature both provide roughly the same amount of crude fiber. With regards to wet dog food, Zignature and Kirkland Signature also provide roughly the same amount of crude fiber.
Zignature Pet Food Ingredients vs. Kirkland Signature Pet Food Ingredients
Here are some of the controversial ingredients used only by Kirkland Signature.
Canola Oil
Canola Oil
Canola oil is a plant-derived oil from the seeds of canola plants. Although fat is an essential component of any diet, canola oil is controversial in pet food. Proponents claim that canola oil provides a better fat profile in comparison to other plant based oils. However, opponents claim that canola oil is typically produced with genetically modified rapeseed and that rapeseed oil has multiple adverse health affects.
Pea Protein
Pea Protein
Pea protein is produced by removing the starchy parts of peas. Pea protein is considered controversial because it provides a substantial plant based protein boost. This boost is undesirable because plant based protein is typically lower in biological value when compared to meat based proteins.
Tomato Pomace
Tomato Pomace
Tomato pomace is a by-product of tomato manufacturing. It's considered a controversial ingredient because many people believe it is an inexpensive low quality filler. However, tomato pomace provides a notable amount of dietary fiber, B vitamins, Lycopene, and vitamin A. Although it is a very inexpensive ingredient, it is not nutritionally empty.
Powdered Cellulose
Powdered Cellulose
Powdered cellulose is produced from minuscule pieces of wood pulp and plant fibers. Other than its fiber content, powdered cellulose lacks any nutritional contribution.
Organic Canola Meal
Organic Canola Meal
Organic canola meal is a high protein by-product of canola oil production. This ingredient is marked controversial because it may be derived from genetically modified rapeseed, which is associated with multiple adverse health affects.
Organic Pea Protein
Organic Pea Protein
Organic pea protein is produced by removing the starchy parts of peas. Pea protein is considered controversial because it provides a substantial plant based protein boost. This boost is undesirable because plant based protein is typically lower in biological value when compared to meat based proteins.
Canola Oil (Preserved With Mixed Tocopherols)
Canola Oil (Preserved With Mixed Tocopherols)
Canola oil is a plant-derived oil from the seeds of canola plants. Although fat is an essential component of any diet, canola oil is controversial in pet food. Proponents claim that canola oil provides a better fat profile in comparison to other plant based oils. However, opponents claim that canola oil is typically produced with genetically modified rapeseed and that rapeseed oil has multiple adverse health affects.
Organic Canola Oil (Preserved With Mixed Tocopherols)
Organic Canola Oil (Preserved With Mixed Tocopherols)
Organic canola oil is a plant-derived oil from the seeds of canola plants. Although fat is an essential component of any diet, canola oil is controversial in pet food. Proponents claim that canola oil provides a better fat profile in comparison to other plant based oils. However, opponents claim that canola oil is typically produced with genetically modified rapeseed and that rapeseed oil has multiple adverse health affects.
Product Safety: Recall History of Zignature & Kirkland Signature?
According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of Zignature 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 Zignature Pet Foods
You can purchase Zignature pet foods from the following stores:
45 Recipes In-Stock Today
42 Recipes In-Stock Today
10 Recipes In-Stock Today
24 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
Zignature
Kirkland Signature
Dry Dog Food
21 Recipes
12 Recipes
Wet Dog Food
13 Recipes
1 Recipes
Dog Treats
13 Treats
None
Dry Cat Food
None
3 Recipes
Wet Cat Food
None
None
Cat Treats
None
None
Top Rated Zignature Recipes
Dog Food
Zignature Limited Ingredient Dry Trout & Salmon Meal Formula