Purina One vs Under The Sun

Purina One vs. Under The Sun

In this comparison article for Purina One vs Under The Sun, we'll highlight the key differences between these two pet food brands. To properly compare Purina One and Under The Sun, 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 Under The Sun 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 Under The Sun Review Page.

Guaranteed Analysis: Under The Sun 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. Under The Sun Dog Food

Dry Dog Food Purina One Under The Sun
Crude Protein 31.6% 27.5%
Crude Fat 17.2% 12.1%
Crude Fiber 4.3% 4.6%
Wet/Canned Dog Food Purina One Under The Sun
Crude Protein 45.3% 41.1%
Crude Fat 25.8% 24.5%
Crude Fiber 7.1% 6.1%

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.

Our analysis shows that Purina One guarantees 4.11% more protein than Under The Sun dry dog food recipes. In addition, Purina One wet dog foods also provide more protein than Under The Sun 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.

There is a relatively large difference between the fat content of Purina One and Under The Sun. On average, Under The Sun dry dog food recipes contain 5.14% less fat than Purina One recipes. For wet dog foods, Purina One and Under The Sun provide roughly the same amount of fat.


Purina One and Under The Sun both provide roughly the same amount of crude fiber. With regards to wet dog food, Purina One and Under The Sun also provide roughly the same amount of crude fiber.

Purina One Cat Food vs. Under The Sun Cat Food

Wet/Canned Cat Food Purina One Under The Sun
Crude Protein 55.9% 46.5%
Crude Fat 14.7% 22.3%
Crude Fiber 7.4% 6.7%

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.

On average, Purina One wet cat food recipes contain 9.39% more protein than Under The Sun recipes. Clearly, there is a significant difference between the protein content of Under The Sun and Purina One.


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.

The table shows that Purina One provides far less fat than Under The Sun. The difference in fat content is roughly 7.63%.


As you can see, Under The Sun and Purina One guarantee a similar amount of crude fiber.

Purina One Pet Food Ingredients vs. Under The Sun Pet Food Ingredients

Purina One and Under The Sun both use the following controversial ingredients in many of their products:

Pea Protein

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
Vegetable Oil
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 Under The Sun.

Canola Oil

We believe that certain pet food ingredients are linked to adverse health affects; these ingredients are classified as harmful.

Purina One and Under The Sun both use the following harmful ingredients in many of their products:

Menadione Sodium Bisulfite Complex

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

Red 3
Corn Oil
Added Color

Here are some of the harmful ingredients used only by Under The Sun.

Menadione Sodium Bisulfate Complex

Product Safety: Recall History of Purina One & Under The Sun?

Purina One has been recalled once.

  • Aug. 30, 2013: Salmonella

According to our records, Under The Sun has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Purina One Under The Sun
Per Pound $1.41 $2.07
Per Calorie $0.0008 $0.0014
Wet Dog Food Purina One Under The Sun
Per Pound $1.67 $5.25
Per Calorie $0.0033 $0.0110
Wet Cat Food Purina One Under The Sun
Per Pound $4.82 $6.30
Per Calorie $0.0113 $0.0142

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 Under The Sun, 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 Under The Sun 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 Under The Sun. 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:






Where To Buy Under The Sun Pet Foods

You can purchase Under The Sun pet food products from these retailers:






Type Of Pet Foods Available

Product Purina One Under The Sun
Dry Dog Food 14 Recipes 7 Recipes
Wet Dog Food 15 Recipes 8 Recipes
Dog Treats 3 Treats
Dry Cat Food 11 Recipes
Wet Cat Food 12 Recipes 9 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

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