Zignature vs NutriSource

Zignature vs. NutriSource

In this comparison article for Zignature vs NutriSource, we'll highlight the key differences between these two pet food brands. To properly compare Zignature and NutriSource, 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 NutriSource 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 NutriSource Review Page.

Guaranteed Analysis: NutriSource 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. NutriSource Dog Food

Dry Dog Food Zignature NutriSource
Crude Protein 32.8% 29.5%
Crude Fat 17.0% 16.9%
Crude Fiber 5.6% 7.1%
Wet/Canned Dog Food Zignature NutriSource
Crude Protein 43.5% 44.7%
Crude Fat 25.3% 34.1%
Crude Fiber 6.1% 6.8%

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.

According to our data, Zignature guarantees 3.36% more protein than NutriSource. Although this difference is relatively small, it's still a notable difference. For wet dog foods, NutriSource and Zignature provide roughly the same amount of 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.

NutriSource and Zignature both provide roughly the same amount of crude fat. For wet dog foods, NutriSource provides significantly more fat (about 8.74% more).


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

Zignature Pet Food Ingredients vs. NutriSource Pet Food Ingredients

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

White Rice
Pea Protein
Brewers Rice
Dried Tomato Pomace

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 NutriSource.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Zignature & NutriSource?

According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of Zignature or NutriSource pet food products.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Zignature NutriSource
Per Pound $2.84 $2.19
Per Calorie $0.0022 $0.0012
Wet Dog Food Zignature NutriSource
Per Pound $4.41 $2.83
Per Calorie $0.0089 $0.0054

The average cost-per-lb is heavily influenced by the varying amounts of moisture present in each brand's food products (wet vs. dry food, dry vs. freeze-dried food, etc). However, the average cost-per-kcal eliminates the influence of moisture. Therefore, the average cost-per-kcal is the better metric to consider.

If you'd like to calculate the average cost-per-day or cost-pet-year of feeding Zignature or NutriSource, input your pet's weight into our cost analyzer widget.

Averages price data can identify whether or not there exists a significant price difference between two brands. However, the actual price that you'll pay for Zignature or NutriSource will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Zignature and NutriSource. In addition, we currently have some great coupons for our readers.


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:







Where To Buy NutriSource Pet Foods

You can purchase NutriSource pet food products from these retailers:





Type Of Pet Foods Available

Product Zignature NutriSource
Dry Dog Food 13 Recipes 29 Recipes
Wet Dog Food 13 Recipes 12 Recipes
Dog Treats 9 Treats
Dry Cat Food 5 Recipes
Wet Cat Food 14 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

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