Nulo vs Merrick

Nulo vs. Merrick

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

Guaranteed Analysis: Merrick 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. Merrick Dog Food

Dry Dog Food Nulo Merrick
Crude Protein 36.9% 37.0%
Crude Fat 20.3% 16.6%
Crude Fiber 5.2% 4.3%
Wet/Canned Dog Food Nulo Merrick
Crude Protein 45.5% 43.9%
Crude Fat 34.5% 20.4%
Crude Fiber 4.5% 8.7%

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, Nulo and Merrick guarantee a similar amount of crude protein. With regards to wet dog food, Nulo and Merrick 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.

If you look at the average percentages of crude fat, you'll notice that Nulo typically guarantees 3.69% more fat. This is a fairly small difference between Nulo and Merrick, but still worth mentioning. In addition, Nulo wet dog foods also provide more fat than Merrick wet foods.


Merrick and Nulo both provide roughly the same amount of crude fiber. For wet dog foods, Merrick provides more fiber (about 4.20% more).

Nulo Cat Food vs. Merrick Cat Food

Dry Cat Food Nulo Merrick
Crude Protein 44.3% 42.8%
Crude Fat 19.0% 15.9%
Crude Fiber 5.1% 5.2%
Wet/Canned Cat Food Nulo Merrick
Crude Protein 52.8% 46.8%
Crude Fat 25.9% 20.6%
Crude Fiber 4.5% 6.0%

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 insignificant difference between the crude protein content of the two brands. For wet cat foods, Nulo provides more protein (about 5.98% 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.

According to our data, Nulo guarantees 3.13% more fat than Merrick. Although this difference is relatively small, it's still a notable difference. In addition, Nulo wet cat foods also provide more fat than Merrick wet foods.


Both brands provide roughly the same amount of crude fiber. With regards to wet cat food, Merrick and Nulo also provide roughly the same amount of crude fiber.

Nulo Pet Food Ingredients vs. Merrick 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 Merrick.

Garlic
Canola Oil
Pea Protein
Caramel Color
Meaty Femur Bone
Powdered Cellulose
Canola Oil (Preserved With Mixed Tocopherols)

Product Safety: Recall History of Nulo & Merrick?

According to our records, Nulo has never been recalled.

Merrick has been recalled 6 times.

  • Jan. 28, 2011: Salmonella
  • Aug. 8, 2011: Salmonella
  • July 2, 2010: Salmonella
  • Aug. 3, 2010: Salmonella
  • Aug. 13, 2010: Salmonella
  • May 23, 2018: elevated levels of beef thyroid hormone

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Nulo Merrick
Per Pound $14.42 $5.54
Per Calorie $0.0075 $0.0033
Dry Cat Food Nulo Merrick
Per Pound $3.21 $7.48
Per Calorie $0.0019 $0.0043
Wet Dog Food Nulo Merrick
Per Pound $3.49 $4.44
Per Calorie $0.0054 $0.0107
Wet Cat Food Nulo Merrick
Per Pound $5.70 $5.48
Per Calorie $0.0123 $0.0124

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

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

You can purchase Nulo pet foods from the following stores:







Where To Buy Merrick Pet Foods

You can purchase Merrick pet food products from these retailers:










Type Of Pet Foods Available

Product Nulo Merrick
Dry Dog Food 17 Recipes 37 Recipes
Wet Dog Food 19 Recipes 65 Recipes
Dog Treats 8 Treats 38 Treats
Dry Cat Food 11 Recipes 13 Recipes
Wet Cat Food 24 Recipes 50 Recipes
Cat Treats 2 Treats

Compare Pet Food Prices Across Multiple Pet Stores

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