Purina One vs NutriSource

Purina One vs. NutriSource

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

Guaranteed Analysis: NutriSource vs. Purina One

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.

Purina One Dog Food vs. NutriSource Dog Food

Dry Dog Food Purina One NutriSource
Crude Protein 31.6% 29.4%
Crude Fat 16.9% 16.9%
Crude Fiber 4.3% 7.0%
Wet/Canned Dog Food Purina One NutriSource
Crude Protein 43.8% 44.7%
Crude Fat 27.1% 34.1%
Crude Fiber 7.1% 6.8%

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.

If you look at the average percentages of crude protein, you'll notice that Purina One typically guarantees 2.17% more protein. This is a fairly small difference between Purina One and NutriSource, but still worth mentioning. For wet dog foods, NutriSource and Purina One 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, NutriSource and Purina One guarantee a similar amount of crude fat. For wet dog foods, NutriSource provides more fat (about 6.96% more).


According to our data, NutriSource guarantees 2.63% more fiber than Purina One. Although this difference is relatively small, it's still a notable difference. For wet dog foods, Purina One and NutriSource provide roughly the same amount of fiber.

Purina One Cat Food vs. NutriSource Cat Food

Dry Cat Food Purina One NutriSource
Crude Protein 40.6% 36.7%
Crude Fat 14.4% 17.6%
Crude Fiber 3.8% 8.2%
Wet/Canned Cat Food Purina One NutriSource
Crude Protein 55.9% 46.6%
Crude Fat 13.9% 33.4%
Crude Fiber 6.9% 5.0%

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.

There is a small difference between the protein content of Purina One and NutriSource. We can see that Purina One guarantees about 3.94% more protein than NutriSource. In addition, Purina One wet cat foods also provide more protein than NutriSource wet foods.


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.

According to our average data, Purina One typically provides less fat than NutriSource. However, this difference is relatively small and doesn't represent a significant difference between the two brands. In addition, NutriSource wet cat foods also provide more fat than Purina One wet foods.


The table shows that Purina One provides far less fiber than NutriSource. The difference in fiber content is roughly 4.47%. For wet cat foods, Purina One and NutriSource provide roughly the same amount of fiber.

Purina One Pet Food Ingredients vs. NutriSource Pet Food Ingredients

Purina One and NutriSource both use the following controversial ingredients in many of their products:

Pea Protein
Brewers Rice

Here are some of the controversial ingredients used only by Purina One.

Liver
Canola Meal
Wheat Gluten
Animal Digest
Caramel Color
Soybean Flour
Soybean Hulls
Corn Germ Meal
Corn Gluten Meal
Meat By-Products
Whole Grain Corn
Whole Grain Wheat
Powdered Cellulose
Poultry By-Products
Turkey By-Product Meal
Chicken By-Product Meal
Poultry By-Product Meal
Soybean Protein Isolate
Soybean Protein Concentrate
Animal Fat (Preserved With Mixed Tocopherols)

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

White Rice
Dried Tomato Pomace

We believe that certain pet food ingredients are linked to adverse health affects; these ingredients are classified as harmful.

Purina One and NutriSource both use the following harmful ingredients in many of their products:

Menadione Sodium Bisulfite Complex

Here are some of the harmful ingredients used only by Purina One.

Red 3
Corn Oil
Added Color

Product Safety: Recall History of Purina One & NutriSource?

Purina One has been recalled once.

  • Aug. 30, 2013: Salmonella

According to our records, NutriSource has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Purina One NutriSource
Per Pound $1.39 $2.09
Per Calorie $0.0008 $0.0012
Dry Cat Food Purina One NutriSource
Per Pound $1.64 $2.50
Per Calorie $0.0009 $0.0014
Wet Dog Food Purina One NutriSource
Per Pound $1.70 $2.86
Per Calorie $0.0034 $0.0054
Wet Cat Food Purina One NutriSource
Per Pound $5.59 $4.77
Per Calorie $0.0121 $0.0089

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 Purina One 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 Purina One 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 Purina One 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 Purina One Pet Foods

You can purchase Purina One 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 Purina One NutriSource
Dry Dog Food 13 Recipes 29 Recipes
Wet Dog Food 13 Recipes 12 Recipes
Dog Treats 9 Treats
Dry Cat Food 10 Recipes 5 Recipes
Wet Cat Food 12 Recipes 14 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

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