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Simply Nourish vs Castor & Pollux

Simply Nourish vs. Castor & Pollux

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

Guaranteed Analysis: Castor & Pollux vs. Simply Nourish

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.

Simply Nourish Dog Food vs. Castor & Pollux Dog Food

Dry Dog Food Simply Nourish Castor & Pollux
Crude Protein 31.8% 33.8%
Crude Fat 14.7% 16.8%
Crude Fiber 6.8% 4.4%
Wet/Canned Dog Food Simply Nourish Castor & Pollux
Crude Protein 44.7% 40.8%
Crude Fat 21.9% 23.0%
Crude Fiber 7.0% 6.6%

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 insignificant difference between the crude protein content of the two brands. For wet dog foods, Simply Nourish typically provides a little more protein (about 3.92% more).


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 Simply Nourish. We can see that Castor & Pollux guarantees about 2.11% more fat than Simply Nourish. For wet dog foods, Castor & Pollux and Simply Nourish provide roughly the same amount of fat.


According to our average data, Castor & Pollux typically provides less fiber than Simply Nourish. However, this difference is relatively small and doesn't represent a significant difference between the two brands. For wet dog foods, Simply Nourish and Castor & Pollux provide roughly the same amount of fiber.

Simply Nourish Cat Food vs. Castor & Pollux Cat Food

Dry Cat Food Simply Nourish Castor & Pollux
Crude Protein 39.9% 38.2%
Crude Fat 16.5% 15.7%
Crude Fiber 6.3% 4.0%
Wet/Canned Cat Food Simply Nourish Castor & Pollux
Crude Protein 48.0% 43.3%
Crude Fat 21.2% 20.4%
Crude Fiber 6.5% 5.7%

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.

Both brands provide roughly the same amount of crude protein. For wet cat foods, Simply Nourish provides more protein (about 4.72% 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):

  • 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.

As you can see, Castor & Pollux and Simply Nourish guarantee a similar amount of crude fat. With regards to wet cat food, Simply Nourish and Castor & Pollux also provide roughly the same amount of crude fat.


If you look at the average percentages of crude fiber, you'll notice that Simply Nourish typically guarantees 2.23% more fiber. This is a fairly small difference between Simply Nourish and Castor & Pollux, but still worth mentioning. For wet cat foods, Simply Nourish and Castor & Pollux provide roughly the same amount of fiber.

Simply Nourish Pet Food Ingredients vs. Castor & Pollux Pet Food Ingredients

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

Pea Protein
Tomato Pomace
Powdered Cellulose
Canola Oil (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Simply Nourish.

Pasta
Canola Oil
Vegetable Oil

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

Garlic
Caramel
Garlic Powder
Organic Pea Protein
Organic Caramel Color
Organic Garlic Powder
Pea Protein Concentrate
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 Simply Nourish.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Simply Nourish & Castor & Pollux?

According to our records, Simply Nourish 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 Simply Nourish Pet Foods

You can purchase Simply Nourish pet foods from the following stores:


39 Recipes In-Stock Today

Where To Buy Castor & Pollux Pet Foods

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


90 Recipes In-Stock Today

53 Recipes In-Stock Today

48 Recipes In-Stock Today

3 Recipes In-Stock

Type Of Pet Foods Available

Product Simply Nourish Castor & Pollux
Dry Dog Food 35 Recipes 21 Recipes
Wet Dog Food 20 Recipes 34 Recipes
Dog Treats 14 Treats 23 Treats
Dry Cat Food 15 Recipes 6 Recipes
Wet Cat Food 21 Recipes 18 Recipes
Cat Treats 9 Treats 1 Treats

Compare Pet Food Prices Across Multiple Pet Stores