Under The Sun vs Castor & Pollux

Under The Sun vs. Castor & Pollux

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

Guaranteed Analysis: Castor & Pollux 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. Castor & Pollux Dog Food

Dry Dog Food Under The Sun Castor & Pollux
Crude Protein 27.5% 33.7%
Crude Fat 12.1% 16.9%
Crude Fiber 4.4% 4.5%
Wet/Canned Dog Food Under The Sun Castor & Pollux
Crude Protein 41.1% 40.4%
Crude Fat 24.5% 23.3%
Crude Fiber 6.1% 6.5%

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 dry recipes contain 6.21% less protein than Castor & Pollux dry recipes. This difference in protein content is a notable difference between Castor & Pollux and Under The Sun. For wet dog foods, Under The Sun and Castor & Pollux 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

The table shows that Under The Sun provides far less fat than Castor & Pollux. The difference in fat content is roughly 4.83%. For wet dog foods, Under The Sun and Castor & Pollux provide roughly the same amount of fat.


Both brands provide roughly the same amount of crude fiber. With regards to wet dog food, Castor & Pollux and Under The Sun also provide roughly the same amount of crude fiber.

Under The Sun Cat Food vs. Castor & Pollux Cat Food

Dry Cat Food Under The Sun Castor & Pollux
Crude Protein 33.0% 38.7%
Crude Fat 17.3% 15.7%
Crude Fiber 3.7% 3.9%
Wet/Canned Cat Food Under The Sun Castor & Pollux
Crude Protein 46.5% 42.6%
Crude Fat 22.3% 20.3%
Crude Fiber 6.7% 5.7%

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.

Our analysis shows that Castor & Pollux guarantees 5.68% more protein than Under The Sun dry cat food recipes. For wet cat foods, Under The Sun typically provides a little more protein (about 3.91% more).


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

As you can see, Castor & Pollux and Under The Sun guarantee a similar amount of crude fat. For wet cat foods, Under The Sun typically provides a little more fat (about 2.02% more).


Under The Sun and Castor & Pollux both provide roughly the same amount of crude fiber. With regards to wet cat food, Under The Sun and Castor & Pollux also provide roughly the same amount of crude fiber.

Under The Sun Pet Food Ingredients vs. Castor & Pollux Pet Food Ingredients

Under The Sun and Castor & Pollux 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 Castor & Pollux.

Garlic
Caramel
Garlic Powder
Tomato Pomace
Powdered Cellulose
Organic Pea Protein
Organic Caramel Color
Organic Garlic Powder
Pea Protein Concentrate
Canola Oil (Preserved With Mixed Tocopherols)
Canola Oil (Preserved With Mixed Tocopherols And Citric Acid)

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 Under The Sun.

Menadione Sodium Bisulfate Complex
Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Under The Sun & Castor & Pollux?

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

Castor & Pollux has been recalled once.

  • May 23, 2018: elevated levels of beef thyroid hormone

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Under The Sun Castor & Pollux
Per Pound $1.90 $4.00
Per Calorie $0.0013 $0.0024
Dry Cat Food Under The Sun Castor & Pollux
Per Pound $4.00 $4.77
Per Calorie $0.0024 $0.0029
Wet Dog Food Under The Sun Castor & Pollux
Per Pound $5.25 $4.74
Per Calorie $0.0110 $0.0101
Wet Cat Food Under The Sun Castor & Pollux
Per Pound $6.35 $6.43
Per Calorie $0.0143 $0.0137

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 Castor & Pollux, 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 Castor & Pollux 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 Castor & Pollux. 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:







Where To Buy Castor & Pollux Pet Foods

You can purchase Castor & Pollux pet food products from these retailers:










Type Of Pet Foods Available

Product Under The Sun Castor & Pollux
Dry Dog Food 7 Recipes 19 Recipes
Wet Dog Food 8 Recipes 30 Recipes
Dog Treats 25 Treats
Dry Cat Food 4 Recipes 5 Recipes
Wet Cat Food 9 Recipes 15 Recipes
Cat Treats 1 Treats

Compare Pet Food Prices Across Multiple Pet Stores

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