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Purina One vs Only Natural Pet

Purina One vs. Only Natural Pet

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

Guaranteed Analysis: Only Natural Pet vs. Purina One

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.

Purina One Dog Food vs. Only Natural Pet Dog Food

Dry Dog Food Purina One Only Natural Pet
Crude Protein 31.6% 39.3%
Crude Fat 17.2% 17.0%
Crude Fiber 4.3% 5.6%
Wet/Canned Dog Food Purina One Only Natural Pet
Crude Protein 45.3% 47.2%
Crude Fat 25.8% 23.9%
Crude Fiber 7.1% 4.9%

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.

Purina One dry recipes contain 7.69% less protein than Only Natural Pet dry recipes. This difference in protein content is a notable difference between Only Natural Pet and Purina One. For wet dog foods, Only Natural Pet and Purina One provide roughly the same amount of protein.


Crude Fat Comparison For Dog Food

Dietary fats serves a multitude of roles in the proper development and function of our canine companions. Here are some of the benefits (not exhaustive):

  • Help produce prostaglandins, which reduce inflammation among other critical functions.
  • Aid in the absorption of fat-soluble vitamins
  • Improve skin and coat health
  • Improve the palatially of your dog's food

Both brands provide roughly the same amount of crude fat. With regards to wet dog food, Purina One and Only Natural Pet also provide roughly the same amount of crude fat.


As you can see, Purina One and Only Natural Pet guarantee a similar amount of crude fiber. For wet dog foods, Purina One typically provides a little more fiber (about 2.24% more).

Purina One Cat Food vs. Only Natural Pet Cat Food

Dry Cat Food Purina One Only Natural Pet
Crude Protein 40.5% 51.3%
Crude Fat 15.1% 17.6%
Crude Fiber 3.6% 5.5%
Wet/Canned Cat Food Purina One Only Natural Pet
Crude Protein 55.9% 43.1%
Crude Fat 14.7% 24.3%
Crude Fiber 7.4% 4.6%

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.

Only Natural Pet dry cat foods clearly provides more protein than Purina One. In fact, the difference between the protein content is roughly 10.79%, which is a significant amount. Similarly, Purina One wet cat foods provide significantly more protein than Only Natural Pet 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):

  • Aid in the digestion and absorption of fat-soluble vitamins
  • Improve the health of skin/coat
  • Slow the growth of yeast infections
  • Slow the development and spread of certain type of cancers.
  • Maintain healthy blood pressure

According to our average data, Purina One typically provides less fat than Only Natural Pet. However, this difference is relatively small and doesn't represent a significant difference between the two brands. In addition, Only Natural Pet wet cat foods also provide more fat than Purina One wet foods.


Purina One and Only Natural Pet both provide roughly the same amount of crude fiber. For wet cat foods, Purina One typically provides a little more fiber (about 2.81% more).

Purina One Pet Food Ingredients vs. Only Natural Pet Pet Food Ingredients

Purina One and Only Natural Pet both use the following controversial ingredients in many of their products:

Pea Protein
Vegetable Oil

Here are some of the controversial ingredients used only by Purina One.

Liver
Canola Meal
Brewers Rice
Ground Wheat
Wheat Gluten
Animal Digest
Caramel Color
Soybean Flour
Soybean Hulls
Corn Germ Meal
Corn Gluten Meal
Meat By-Products
Whole Grain Corn
Whole Grain Wheat
Ground Yellow Corn
Powdered Cellulose
Poultry By-Products
Turkey By-Product Meal
Chicken By-Product Meal
Poultry By-Product Meal
Soybean Protein Isolate
Soybean Protein Concentrate
Animal Fat (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Only Natural Pet.

Garlic
Garlic Powder
Tomato Pomace
Organic Canola Oil
Organic 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 Purina One.

Red 3
Corn Oil
Added Color
Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Purina One & Only Natural Pet?

Purina One has been recalled once.

  • Aug. 30, 2013: Salmonella

According to our records, Only Natural Pet has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Purina One Only Natural Pet
Per Pound $1.41 $3.89
Per Calorie $0.0008 $0.0023
Dry Cat Food Purina One Only Natural Pet
Per Pound $1.75 $29.96
Per Calorie $0.0010 $0.0207
Wet Dog Food Purina One Only Natural Pet
Per Pound $1.67 $5.71
Per Calorie $0.0033 $0.0094
Wet Cat Food Purina One Only Natural Pet
Per Pound $4.82 $43.55
Per Calorie $0.0113 $0.0930

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 Purina One or Only Natural Pet, 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 Purina One or Only Natural Pet will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Purina One and Only Natural Pet. 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 Purina One Pet Foods

You can purchase Purina One pet foods from the following stores:


53 Recipes In-Stock Today

38 Recipes In-Stock Today

52 Recipes In-Stock Today

34 Recipes In-Stock Today

Where To Buy Only Natural Pet Pet Foods

You can purchase Only Natural Pet pet food products from these retailers:


2 Recipes In-Stock Today

1 Recipes In-Stock Today

Type Of Pet Foods Available

Product Purina One Only Natural Pet
Dry Dog Food 14 Recipes 19 Recipes
Wet Dog Food 15 Recipes 8 Recipes
Dog Treats 3 Treats 43 Treats
Dry Cat Food 11 Recipes 7 Recipes
Wet Cat Food 12 Recipes 7 Recipes
Cat Treats 6 Treats

Compare Pet Food Prices Across Multiple Pet Stores