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Nulo vs Authority

Nulo vs. Authority

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

Guaranteed Analysis: Authority vs. Nulo

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.

Nulo Dog Food vs. Authority Dog Food

Dry Dog FoodNuloAuthority
Crude Protein35.7%28.9%
Crude Fat19.6%14.5%
Crude Fiber5.1%4.8%
Wet/Canned Dog FoodNuloAuthority
Crude Protein45.6%41.4%
Crude Fat31.4%22.8%
Crude Fiber5.5%8.3%

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.

Our analysis shows that Nulo guarantees 6.85% more protein than Authority dry dog food recipes. In addition, Nulo wet dog foods also provide more protein than Authority wet foods.


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.

There is a relatively large difference between the fat content of Nulo and Authority. On average, Authority dry dog food recipes contain 5.10% less fat than Nulo recipes. In addition, Nulo wet dog foods also provide more fat than Authority wet foods.


Authority and Nulo both provide roughly the same amount of crude fiber. For wet dog foods, Authority typically provides a little more fiber (about 2.79% more).

Nulo Cat Food vs. Authority Cat Food

Dry Cat FoodNuloAuthority
Crude Protein44.3%36.9%
Crude Fat20.0%15.4%
Crude Fiber5.0%6.0%
Wet/Canned Cat FoodNuloAuthority
Crude Protein53.3%43.8%
Crude Fat24.2%23.6%
Crude Fiber4.6%9.2%

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.

Authority dry recipes contain 7.42% less protein than Nulo dry recipes. This difference in protein content is a notable difference between Nulo and Authority. In addition, Nulo wet cat foods also provide more protein than Authority 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):

  • Fats help with the digestion and absorption of fat-soluble vitamins
  • Reduce inflammation associated with arthritis
  • Slow the growth of yeast infections
  • Prevent or reduce the likelihood of certain heart problems.
  • Aid in the development of the retina and visual cortex.

The table shows that Authority provides far less fat than Nulo. The difference in fat content is roughly 4.59%. For wet cat foods, Nulo and Authority provide roughly the same amount of fat.


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet cat foods, Authority provides more fiber (about 4.60% more).

Nulo Pet Food Ingredients vs. Authority Pet Food Ingredients

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

Powdered Cellulose

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

Canola Oil (Preserved With Mixed Tocopherols And Citric Acid)

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

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

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

Nulo 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 Nulo & Authority?

According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of Nulo or Authority 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 Nulo Pet Foods

You can purchase Nulo pet foods from the following stores:


78 Recipes In-Stock Today

34 Recipes In-Stock Today

42 Recipes In-Stock Today

23 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

ProductNuloAuthority
Dry Dog Food29 Recipes33 Recipes
Wet Dog Food21 Recipes19 Recipes
Dog Treats8 Treats6 Treats
Dry Cat Food15 Recipes18 Recipes
Wet Cat Food27 Recipes16 Recipes
Cat Treats7 TreatsNone

Top Rated Nulo Recipes

Dog Food
Nulo
FreeStyle Adult Turkey & Sweet Potato Recipe
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Dog Food
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FreeStyle Beef, Peas & Carrots Recipe (Canned)
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Cat Food
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FreeStyle Cat & Kitten - Chicken & Cod Recipe
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Cat Food
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FreeStyle Turkey & Chicken Recipe (Canned Cat Food)
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Top Rated Authority Recipes

Dog Food
Authority
Everyday Health Grain Free + High Performance Turkey, Pea, Duck & Salmon Formula For All Life Stages
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Dog Food
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Skin, Coat + Digestive Health Support Grain Free Fish & Potato Formula (Ground) For Adult Dogs
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Cat Food
Authority
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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