Authority vs NutriSource

Authority vs. NutriSource

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

Guaranteed Analysis: NutriSource vs. Authority

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.

Authority Dog Food vs. NutriSource Dog Food

Dry Dog Food Authority NutriSource
Crude Protein 28.9% 29.5%
Crude Fat 14.5% 16.9%
Crude Fiber 4.8% 7.1%
Wet/Canned Dog Food Authority NutriSource
Crude Protein 41.4% 44.7%
Crude Fat 22.8% 34.1%
Crude Fiber 8.3% 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.

Both brands provide roughly the same amount of crude protein. For wet dog foods, NutriSource typically provides a little more protein (about 3.32% 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

According to our average data, Authority 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 dog foods also provide more fat than Authority wet foods.


If you look at the average percentages of crude fiber, you'll notice that NutriSource typically guarantees 2.26% more fiber. This is a fairly small difference between NutriSource and Authority, but still worth mentioning. For wet dog foods, Authority and NutriSource provide roughly the same amount of fiber.

Authority Cat Food vs. NutriSource Cat Food

Dry Cat Food Authority NutriSource
Crude Protein 36.9% 36.7%
Crude Fat 15.4% 17.6%
Crude Fiber 6.0% 8.2%
Wet/Canned Cat Food Authority NutriSource
Crude Protein 43.8% 46.8%
Crude Fat 23.6% 33.8%
Crude Fiber 9.2% 5.0%

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.

As you can see, NutriSource and Authority guarantee a similar amount of crude protein. For wet cat foods, NutriSource typically provides a little more protein (about 3.00% more).


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

According to our data, NutriSource guarantees 2.19% more fat than Authority. Although this difference is relatively small, it's still a notable difference. In addition, NutriSource wet cat foods also provide more fat than Authority wet foods.


There is a small difference between the fiber content of NutriSource and Authority. We can see that NutriSource guarantees about 2.17% more fiber than Authority. In addition, Authority wet cat foods also provide more fiber than NutriSource wet foods.

Authority Pet Food Ingredients vs. NutriSource Pet Food Ingredients

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

Pea Protein
Brewers Rice
Dried Tomato Pomace

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

Corn
Wheat
Caramel
Beet Pulp
Canola Oil
Corn Syrup
Ground Corn
Animal Liver
Ground Wheat
Poultry Meal
Wheat Gluten
Caramel Color
Garlic Powder
Vegetable Oil
Corn Gluten Meal
Powdered Cellulose
Refined Corn Syrup
Dried Garlic Powder
Soybean Protein Concentrate
Canola Oil (Preserved With Mixed Tocopherols)

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

White Rice

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

Authority 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 Authority.

Corn Oil
Propylene Glycol

Product Safety: Recall History of Authority & NutriSource?

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Authority NutriSource
Per Pound $1.52 $2.19
Per Calorie $0.0011 $0.0012
Dry Cat Food Authority NutriSource
Per Pound $2.16 $2.57
Per Calorie $0.0013 $0.0015
Wet Dog Food Authority NutriSource
Per Pound $1.66 $2.83
Per Calorie $0.0034 $0.0054
Wet Cat Food Authority NutriSource
Per Pound $2.59 $4.81
Per Calorie $0.0052 $0.0095

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 Authority 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 Authority 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 Authority 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 Authority Pet Foods

You can purchase Authority 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 Authority NutriSource
Dry Dog Food 33 Recipes 29 Recipes
Wet Dog Food 19 Recipes 12 Recipes
Dog Treats 5 Treats 9 Treats
Dry Cat Food 18 Recipes 5 Recipes
Wet Cat Food 16 Recipes 14 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

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