Halo vs Nulo

Halo vs. Nulo

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

Guaranteed Analysis: Nulo vs. Halo

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.

Halo Dog Food vs. Nulo Dog Food

Dry Dog Food Halo Nulo
Crude Protein 28.2% 36.9%
Crude Fat 16.0% 20.3%
Crude Fiber 5.8% 5.2%
Wet/Canned Dog Food Halo Nulo
Crude Protein 43.9% 45.5%
Crude Fat 31.0% 34.5%
Crude Fiber 7.8% 4.5%

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 comparison table above shows that Nulo dry dog foods provide significantly more protein than Halo. More specifically, Nulo guarantees at least 8.68% more protein. For wet dog foods, Nulo and Halo provide roughly the same amount of protein.


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 Halo. On average, Halo dry dog food recipes contain 4.33% less fat than Nulo recipes. For wet dog foods, Nulo typically provides a little more fat (about 3.53% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet dog foods, Halo typically provides a little more fiber (about 3.22% more).

Halo Cat Food vs. Nulo Cat Food

Dry Cat Food Halo Nulo
Crude Protein 35.4% 44.3%
Crude Fat 16.3% 19.0%
Crude Fiber 5.6% 5.1%
Wet/Canned Cat Food Halo Nulo
Crude Protein 50.3% 52.8%
Crude Fat 33.9% 25.9%
Crude Fiber 6.6% 4.5%

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.

Nulo dry cat foods clearly provides more protein than Halo. In fact, the difference between the protein content is roughly 8.99%, which is a significant amount. For wet cat foods, Nulo typically provides a little more protein (about 2.50% 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):

  • 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.

There is a small difference between the fat content of Nulo and Halo. We can see that Nulo guarantees about 2.78% more fat than Halo. In addition, Halo wet cat foods also provide more fat than Nulo wet foods.


Both brands provide roughly the same amount of crude fiber. For wet cat foods, Halo typically provides a little more fiber (about 2.15% more).

Halo Pet Food Ingredients vs. Nulo Pet Food Ingredients

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

Canola Oil
Pea Protein
Garlic Powder
Dried Tomato Pomace
Soybean Protein Concentrate
Canola Oil (Preserved With Mixed Tocopherols)

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

Canola Oil (Preserved With Mixed Tocopherols And Citric Acid)

Product Safety: Recall History of Halo & Nulo?

Halo has been recalled once.

  • Oct. 26, 2015: Mold

According to our records, Nulo has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Halo Nulo
Per Pound $3.74 $14.42
Per Calorie $0.0023 $0.0075
Dry Cat Food Halo Nulo
Per Pound $4.76 $3.21
Per Calorie $0.0028 $0.0019
Wet Dog Food Halo Nulo
Per Pound $5.25 $3.49
Per Calorie $0.0100 $0.0054
Wet Cat Food Halo Nulo
Per Pound $5.93 $5.70
Per Calorie $0.0112 $0.0123

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 Halo or Nulo, 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 Halo or Nulo will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Halo and Nulo. 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 Halo Pet Foods

You can purchase Halo pet foods from the following stores:









Where To Buy Nulo Pet Foods

You can purchase Nulo pet food products from these retailers:








Type Of Pet Foods Available

Product Halo Nulo
Dry Dog Food 14 Recipes 17 Recipes
Wet Dog Food 14 Recipes 19 Recipes
Dog Treats 5 Treats 8 Treats
Dry Cat Food 11 Recipes 11 Recipes
Wet Cat Food 23 Recipes 24 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

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