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Supreme Source vs Purina Cat Chow

Supreme Source vs. Purina Cat Chow

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

Guaranteed Analysis: Purina Cat Chow vs. Supreme Source

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.

Supreme Source Cat Food vs. Purina Cat Chow Cat Food

Dry Cat Food Supreme Source Purina Cat Chow
Crude Protein 38.9% 38.3%
Crude Fat 16.7% 12.8%
Crude Fiber 5% 4.4%

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.


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 Supreme Source and Purina Cat Chow. We can see that Supreme Source guarantees about 3.84% more fat than Purina Cat Chow.


Both brands provide roughly the same amount of crude fiber.

Supreme Source Pet Food Ingredients vs. Purina Cat Chow Pet Food Ingredients

Supreme Source and Purina Cat Chow both use the following controversial ingredients in many of their products:

Pea Protein

Here are some of the controversial ingredients used only by Supreme Source.

Tomato Pomace
Poultry Fat (Preserved With Mixed Tocopherols)

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

Corn Meal
Canola Meal
Brewers Rice
Ground Wheat
Soybean Flour
Soybean Hulls
Corn Gluten Meal
Whole Grain Corn
Whole Grain Wheat
Ground Whole Wheat
Ground Yellow Corn
Powdered Cellulose
Turkey By-Product Meal
Chicken By-Product Meal
Poultry By-Product Meal
Animal Fat (Preserved With Mixed Tocopherols)

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

Supreme Source and Purina Cat Chow 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 Cat Chow.

Blue 2
Red 40
Yellow 5

Product Safety: Recall History of Supreme Source & Purina Cat Chow?

According to our records, neither brand has issued any product recalls. Therefore, consumers have no reason to question the safety of Supreme Source or Purina Cat Chow pet food products.

Price Comparison: Which Brand Is More Expensive?

Dry Cat Food Supreme Source Purina Cat Chow
Per Pound $2.70 $1.57
Per Calorie $0.0016 $0.0010

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 Supreme Source or Purina Cat Chow, 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 Supreme Source or Purina Cat Chow will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Supreme Source and Purina Cat Chow. 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 Supreme Source Pet Foods

You can purchase Supreme Source pet foods from the following stores:


10 Recipes In-Stock Today

Where To Buy Purina Cat Chow Pet Foods

You can purchase Purina Cat Chow pet food products from these retailers:


7 Recipes In-Stock Today

4 Recipes In-Stock Today

7 Recipes In-Stock Today

Type Of Pet Foods Available

Product Supreme Source Purina Cat Chow
Dry Dog Food 4 Recipes
Wet Dog Food
Dog Treats 4 Treats
Dry Cat Food 2 Recipes 7 Recipes
Wet Cat Food
Cat Treats 3 Treats

Compare Pet Food Prices Across Multiple Pet Stores