Nulo vs WholeHearted

Nulo vs. WholeHearted

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

Guaranteed Analysis: WholeHearted 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. WholeHearted Dog Food

Dry Dog Food Nulo WholeHearted
Crude Protein 36.9% 29.2%
Crude Fat 20.3% 15.8%
Crude Fiber 5.2% 5.6%
Wet/Canned Dog Food Nulo WholeHearted
Crude Protein 45.7% 43.6%
Crude Fat 32.4% 24.3%
Crude Fiber 5.5% 7.0%

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.

The table shows that WholeHearted provides far less protein than Nulo. The difference in protein content is roughly 7.67%. For wet dog foods, Nulo typically provides a little more protein (about 2.05% more).


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.

Our analysis shows that Nulo guarantees 4.53% more fat than WholeHearted dry dog food recipes. In addition, Nulo wet dog foods also provide more fat than WholeHearted wet foods.


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

Nulo Cat Food vs. WholeHearted Cat Food

Dry Cat Food Nulo WholeHearted
Crude Protein 44.3% 36.7%
Crude Fat 19.0% 14.9%
Crude Fiber 5.1% 5.8%
Wet/Canned Cat Food Nulo WholeHearted
Crude Protein 52.8% 57.0%
Crude Fat 25.9% 17.1%
Crude Fiber 4.5% 7.5%

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 relatively large difference between the protein content of Nulo and WholeHearted. On average, WholeHearted dry cat food recipes contain 7.68% less protein than Nulo recipes. In addition, WholeHearted wet cat foods also provide more protein than Nulo 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.

WholeHearted dry recipes contain 4.09% less fat than Nulo dry recipes. This difference in fat content is a notable difference between Nulo and WholeHearted. In addition, Nulo wet cat foods also provide more fat than WholeHearted wet foods.


Nulo and WholeHearted both provide roughly the same amount of crude fiber. For wet cat foods, WholeHearted typically provides a little more fiber (about 2.98% more).

Nulo Pet Food Ingredients vs. WholeHearted Pet Food Ingredients

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 WholeHearted.

Beet Pulp
Canola Oil
Iron Oxide
Pea Protein
Caramel Color
Tomato Pomace
Powdered Cellulose
Dried Tomato Pomace
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.

Here are some of the harmful ingredients used only by WholeHearted.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Nulo & WholeHearted?

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






Where To Buy WholeHearted Pet Foods

You can purchase WholeHearted pet food products from these retailers:



Type Of Pet Foods Available

Product Nulo WholeHearted
Dry Dog Food 17 Recipes 22 Recipes
Wet Dog Food 19 Recipes 21 Recipes
Dog Treats 8 Treats 18 Treats
Dry Cat Food 11 Recipes 11 Recipes
Wet Cat Food 24 Recipes 17 Recipes
Cat Treats 14 Treats

Compare Pet Food Prices Across Multiple Pet Stores

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