35% OFF
Nulo &
Zignature
First Auto-Ship
20% OFF
Nulo &
Zignature
First Auto-Ship w/ Code: PAWDIET20
15% OFF
Nulo &
Zignature
For New Customers w/ Code: AFPAWDIET
Compare Nulo To
Compare Zignature To
Brands Similar To
Ingredient Reviews
35% OFF
Nulo &
Zignature
First Auto-Ship
20% OFF
Nulo &
Zignature
First Auto-Ship w/ Code: PAWDIET20
15% OFF
Nulo &
Zignature
For New Customers w/ Code: AFPAWDIET
Nulo vs. Zignature
In this comparison article for Nulo vs Zignature, we'll highlight the key differences between these two pet food brands. To properly compare Nulo and Zignature, 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 Zignature 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 Zignature Review Page.
Guaranteed Analysis: Zignature 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. Zignature Dog Food
| Dry Dog Food | Nulo | Zignature |
| Crude Protein | 35.7% | 32.8% |
| Crude Fat | 19.6% | 16.8% |
| Crude Fiber | 5.1% | 5% |
| Wet/Canned Dog Food | Nulo | Zignature |
| Crude Protein | 45.6% | 43.4% |
| Crude Fat | 31.4% | 28.0% |
| Crude Fiber | 5.5% | 6.6% |
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.
There is a small difference between the protein content of Nulo and Zignature. We can see that Nulo guarantees about 2.99% more protein than Zignature. In addition, Nulo wet dog foods also provide more protein than Zignature 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.
According to our average data, Zignature typically provides less fat than Nulo. However, this difference is relatively small and doesn't represent a significant difference between the two brands. In addition, Nulo wet dog foods also provide more fat than Zignature wet foods.
There is a relatively insignificant difference between the crude fiber content of the two brands. With regards to wet dog food, Zignature and Nulo also provide roughly the same amount of crude fiber.
Nulo Pet Food Ingredients vs. Zignature Pet Food Ingredients
Here are some of the controversial ingredients used only by Nulo.
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 Nulo.
Product Safety: Recall History of Nulo & Zignature?
According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of Nulo or Zignature pet food products.
Price Comparison: Which Brand Is More Expensive?
| Dry Dog Food | Nulo | Zignature |
| Per Pound | $12.70 | $3.49 |
| Per Calorie | $0.0067 | $0.0021 |
| Wet Dog Food | Nulo | Zignature |
| Per Pound | $4.44 | $4.85 |
| Per Calorie | $0.0081 | $0.0088 |
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 Zignature, 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 Zignature 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 Zignature. In addition, we currently have some great coupons for our readers.
- 20% Off First Auto-Ship @ PetFlow (Use Code PAWDIET20)
- 35% Off First Auto-Ship @ Chewy (No Code Required)
- 15% Off The Entire Site @ OnlyNaturalPet (Use Code AFPAWDIET)
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 Zignature Pet Foods
You can purchase Zignature pet food products from these retailers:
Type Of Pet Foods Available
| Product | Nulo | Zignature |
| Dry Dog Food | 29 Recipes | 21 Recipes |
| Wet Dog Food | 21 Recipes | 13 Recipes |
| Dog Treats | 8 Treats | 13 Treats |
| Dry Cat Food | 15 Recipes | None |
| Wet Cat Food | 27 Recipes | None |
| Cat Treats | 7 Treats | None |
Top Rated Nulo Recipes
Top Rated Zignature Recipes
