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Under The Sun vs Supreme Source

Under The Sun vs. Supreme Source

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

Guaranteed Analysis: Supreme Source vs. Under The Sun

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.

Under The Sun Dog Food vs. Supreme Source Dog Food

Dry Dog Food Under The Sun Supreme Source
Crude Protein 27.5% 28.9%
Crude Fat 12.1% 12.8%
Crude Fiber 4.6% 9.0%

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.

Under The Sun and Supreme Source both provide roughly the same amount of crude protein.


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 insignificant difference between the crude fat content of the two brands.


Our analysis shows that Supreme Source guarantees 4.42% more fiber than Under The Sun dry dog food recipes.

Under The Sun Pet Food Ingredients vs. Supreme Source Pet Food Ingredients

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

Pea Protein

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

Canola Oil

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

Tomato Pomace
Poultry Fat (Preserved With Mixed Tocopherols)

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

Under The Sun and Supreme Source 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 Under The Sun.

Menadione Sodium Bisulfate Complex

Product Safety: Recall History of Under The Sun & Supreme Source?

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Under The Sun Supreme Source
Per Pound $2.07 $1.68
Per Calorie $0.0014 $0.0011

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 Under The Sun or Supreme Source, 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 Under The Sun or Supreme Source will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Under The Sun and Supreme Source. 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 Under The Sun Pet Foods

You can purchase Under The Sun pet foods from the following stores:


20 Recipes In-Stock Today

14 Recipes In-Stock Today

20 Recipes In-Stock Today

Where To Buy Supreme Source Pet Foods

You can purchase Supreme Source pet food products from these retailers:


10 Recipes In-Stock Today

Type Of Pet Foods Available

Product Under The Sun Supreme Source
Dry Dog Food 7 Recipes 4 Recipes
Wet Dog Food 8 Recipes
Dog Treats 4 Treats
Dry Cat Food 2 Recipes
Wet Cat Food 9 Recipes
Cat Treats 3 Treats

Compare Pet Food Prices Across Multiple Pet Stores