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Nutro vs Authority

Nutro vs. Authority

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

Guaranteed Analysis: Authority vs. Nutro

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.

Nutro Dog Food vs. Authority Dog Food

Dry Dog FoodNutroAuthority
Crude Protein27.0%28.9%
Crude Fat15.3%14.5%
Crude Fiber4.7%4.8%
Wet/Canned Dog FoodNutroAuthority
Crude Protein42.6%41.4%
Crude Fat24.2%22.8%
Crude Fiber6.1%8.3%

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.

As you can see, Nutro and Authority guarantee a similar amount of crude protein. With regards to wet dog food, Nutro and Authority also provide roughly the same amount of crude 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.

Authority and Nutro both provide roughly the same amount of crude fat. With regards to wet dog food, Nutro and Authority also provide roughly the same amount of crude fat.


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet dog foods, Authority typically provides a little more fiber (about 2.16% more).

Nutro Cat Food vs. Authority Cat Food

Dry Cat FoodNutroAuthority
Crude Protein37.3%36.9%
Crude Fat17.2%15.4%
Crude Fiber5.9%6.0%
Wet/Canned Cat FoodNutroAuthority
Crude Protein54.8%43.8%
Crude Fat23.1%23.6%
Crude Fiber5.1%9.2%

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.

Both brands provide roughly the same amount of crude protein. For wet cat foods, Nutro provides significantly more protein (about 11.05% 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):

  • 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.

Nutro Pet Food Ingredients vs. Authority Pet Food Ingredients

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

Pea Protein
Brewers Rice
Wheat Gluten
Caramel Color
Vegetable Oil
Powdered Cellulose
Dried Tomato Pomace
Canola Oil (Preserved With Mixed Tocopherols)

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

Bone Broth
Iron Oxide
Pork Plasma
Whole Wheat
Animal Plasma
Tomato Pomace
Feeding Oatmeal
Dried Corn Syrup
Pea Protein Isolate

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
Garlic Powder
Corn Gluten Meal
Refined Corn Syrup
Dried Garlic Powder
Soybean Protein Concentrate

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

Nutro and Authority 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 Nutro & Authority?

Nutro has been recalled 4 times.

  • Sept. 30, 2009: small pieces of melted plastic
  • Dec. 13, 2015: Mold
  • May 21, 2009: incorrect levels of zinc and potassium
  • March 16, 2007: Melamine

According to our records, Authority 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 Nutro Pet Foods

You can purchase Nutro pet foods from the following stores:


77 Recipes In-Stock Today

44 Recipes In-Stock Today

64 Recipes In-Stock Today

Where To Buy Authority Pet Foods

You can purchase Authority pet food products from these retailers:


Type Of Pet Foods Available

ProductNutroAuthority
Dry Dog Food56 Recipes33 Recipes
Wet Dog Food45 Recipes19 Recipes
Dog Treats12 Treats6 Treats
Dry Cat Food11 Recipes18 Recipes
Wet Cat Food41 Recipes16 Recipes
Cat TreatsNoneNone

Top Rated Nutro Recipes

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Ultra Small Breed Adult Dry Dog Food
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Ultra Chicken Entrée Paté With Toppers
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Wholesome Essentials Chicken & Brown Rice Recipe For Hairball Control
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Paté Chicken Recipe For Cats
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Top Rated Authority Recipes

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Everyday Health Grain Free + High Performance Turkey, Pea, Duck & Salmon Formula For All Life Stages
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Skin, Coat + Digestive Health Support Grain Free Fish & Potato Formula (Ground) For Adult Dogs
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Cat Food
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Everyday Health Grain Free + High Protein Turkey, Pea, Duck & Salmon Formula For Adult Indoor Cats
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Cat Food
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Everyday Health Chicken & Liver Entree (Pate) For Kittens
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