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Castor & Pollux vs Only Natural Pet

Castor & Pollux vs. Only Natural Pet

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

Guaranteed Analysis: Only Natural Pet vs. Castor & Pollux

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.

Castor & Pollux Dog Food vs. Only Natural Pet Dog Food

Dry Dog FoodCastor & PolluxOnly Natural Pet
Crude Protein32.6%39.2%
Crude Fat17.1%16.5%
Crude Fiber4.2%6.0%
Wet/Canned Dog FoodCastor & PolluxOnly Natural Pet
Crude Protein39.9%47.2%
Crude Fat23.5%24.5%
Crude Fiber6.5%5.0%

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.

The table shows that Castor & Pollux provides far less protein than Only Natural Pet. The difference in protein content is roughly 6.59%. In addition, Only Natural Pet wet dog foods also provide more protein than Castor & Pollux wet foods.


Crude Fat Comparison For Dog Food

Like protein, fats are an essential part of a dog's body. Fats are needed for the proper development and function of the canine body.

As you can see, Only Natural Pet and Castor & Pollux guarantee a similar amount of crude fat. With regards to wet dog food, Only Natural Pet and Castor & Pollux also provide roughly the same amount of crude fat.


Castor & Pollux and Only Natural Pet both provide roughly the same amount of crude fiber. With regards to wet dog food, Castor & Pollux and Only Natural Pet also provide roughly the same amount of crude fiber.

Castor & Pollux Cat Food vs. Only Natural Pet Cat Food

Dry Cat FoodCastor & PolluxOnly Natural Pet
Crude Protein38.2%51.4%
Crude Fat15.7%17.6%
Crude Fiber4.0%6.0%
Wet/Canned Cat FoodCastor & PolluxOnly Natural Pet
Crude Protein43.3%43.1%
Crude Fat20.4%24.3%
Crude Fiber5.7%4.6%

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.

On average, Only Natural Pet dry cat food recipes contain 13.20% more protein than Castor & Pollux recipes. Clearly, there is a significant difference between the protein content of Castor & Pollux and Only Natural Pet. For wet cat foods, Castor & Pollux and Only Natural Pet provide roughly the same amount of protein.


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):

  • Help transport nutrients across cell membranes
  • Fats produce metabolites, which help control inflammation
  • Maintain healthy blood pressure
  • Slow the growth of yeast infections
  • Fats improve the taste/texture of food.

There is a relatively insignificant difference between the crude fat content of the two brands. For wet cat foods, Only Natural Pet typically provides a little more fat (about 3.87% more).


Both brands provide roughly the same amount of crude fiber. With regards to wet cat food, Castor & Pollux and Only Natural Pet also provide roughly the same amount of crude fiber.

Castor & Pollux Pet Food Ingredients vs. Only Natural Pet Pet Food Ingredients

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

Garlic
Pea Protein
Garlic Powder
Tomato Pomace

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

Caramel
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)

Here are some of the controversial ingredients used only by Only Natural Pet.

Organic Canola Oil
Organic Canola Oil (Preserved With Mixed Tocopherols)

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

Castor & Pollux and Only Natural Pet both use the following harmful ingredients in many of their products:

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Castor & Pollux & Only Natural Pet?

Castor & Pollux has been recalled once.

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

According to our records, Only Natural Pet has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog FoodCastor & PolluxOnly Natural Pet
Per Pound$5.01$13.25
Per Calorie$0.0030$0.0085

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 Castor & Pollux or Only Natural Pet, 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 Castor & Pollux or Only Natural Pet will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Castor & Pollux and Only Natural Pet. 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 Castor & Pollux Pet Foods

You can purchase Castor & Pollux pet foods from the following stores:


46 Recipes In-Stock Today

10 Recipes In-Stock Today

35 Recipes In-Stock Today

Where To Buy Only Natural Pet Pet Foods

You can purchase Only Natural Pet pet food products from these retailers:


11 Recipes In-Stock Today

8 Recipes In-Stock Today

Type Of Pet Foods Available

ProductCastor & PolluxOnly Natural Pet
Dry Dog Food17 Recipes16 Recipes
Wet Dog Food28 Recipes8 Recipes
Dog Treats22 Treats46 Treats
Dry Cat Food6 Recipes7 Recipes
Wet Cat Food18 Recipes7 Recipes
Cat Treats1 Treats7 Treats

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