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Ultimates vs Castor & Pollux

Ultimates vs. Castor & Pollux

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

Guaranteed Analysis: Castor & Pollux vs. Ultimates

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.

Ultimates Dog Food vs. Castor & Pollux Dog Food

Dry Dog FoodUltimatesCastor & Pollux
Crude Protein26.3%32.6%
Crude Fat14.9%17.1%
Crude Fiber5.7%4.2%

Crude Protein Comparison For Dog Food

Dogs require twenty-two amino acids to sustain life. Twelve of these amino acids are synthesized naturally, the remaining ten are consumed. Protein is the nutrient which provides some or all of these ten essential amino acids.

There is a relatively large difference between the protein content of Castor & Pollux and Ultimates. On average, Ultimates dry dog food recipes contain 6.26% less protein than Castor & Pollux recipes.


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 small difference between the fat content of Castor & Pollux and Ultimates. We can see that Castor & Pollux guarantees about 2.25% more fat than Ultimates.


There is a relatively insignificant difference between the crude fiber content of the two brands.

Ultimates Pet Food Ingredients vs. Castor & Pollux Pet Food Ingredients

Ultimates and Castor & Pollux both use the following controversial ingredients in many of their products:

Canola Oil (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Ultimates.

Beet Pulp
Pea Protein

Here are some of the controversial ingredients used only by Castor & Pollux.

Garlic Powder
Organic Pea Protein
Organic Garlic Powder

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 Castor & Pollux.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Ultimates & Castor & Pollux?

According to our records, Ultimates has never been recalled.

Castor & Pollux has been recalled once.

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

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 Ultimates Pet Foods

You can purchase Ultimates pet foods from the following stores:


16 Recipes In-Stock Today

Where To Buy Castor & Pollux Pet Foods

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


17 Recipes In-Stock Today

23 Recipes In-Stock Today

Type Of Pet Foods Available

ProductUltimatesCastor & Pollux
Dry Dog Food13 Recipes17 Recipes
Wet Dog FoodNone28 Recipes
Dog Treats4 Treats22 Treats
Dry Cat FoodNone3 Recipes
Wet Cat FoodNone11 Recipes
Cat TreatsNone1 Treats

Top Rated Ultimates Recipes

Dog Food
Ultimates
Jerky Mini Strips With Chicken Protein
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Ultimates
Jerky Bites With Whitefish Protein
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Dog Food
Ultimates
Whole Grain Bison Meal & Rice Recipe For Adult Dogs
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Dog Food
Ultimates
Whole Grain Chicken Meal & Rice Recipe For Large Breed Puppies
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Top Rated Castor & Pollux Recipes

Dog Food
Castor & Pollux
Organix Grain Free Organic Chicken & Sweet Potato Recipe
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Dog Food
Castor & Pollux
Organix Tiny Feasts Grain Free Organic Chicken Recipe
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Cat Food
Castor & Pollux
Pristine Grain Free Wild-Caught Salmon Recipe
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Cat Food
Castor & Pollux
Pristine Grain Free Free-Range Turkey Recipe Morsels In Gravy
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