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Castor & Pollux vs. Health Extension

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

Guaranteed Analysis: Health Extension 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. Health Extension Dog Food

Dry Dog Food	Castor & Pollux	Health Extension
Crude Protein	32.6%	27.6%
Crude Fat	17.1%	16.5%
Crude Fiber	4.2%	5.1%

Wet/Canned Dog Food	Castor & Pollux	Health Extension
Crude Protein	39.9%	40.2%
Crude Fat	23.5%	28.0%
Crude Fiber	6.5%	6.7%

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 Health Extension provides far less protein than Castor & Pollux. The difference in protein content is roughly 4.95%. For wet dog foods, Health Extension and Castor & Pollux provide roughly the same amount of protein.

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, Health Extension and Castor & Pollux guarantee a similar amount of crude fat. For wet dog foods, Health Extension provides more fat (about 4.59% more).

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

Castor & Pollux Cat Food vs. Health Extension Cat Food

Dry Cat Food	Castor & Pollux	Health Extension
Crude Protein	38.2%	38.6%
Crude Fat	15.7%	18.3%
Crude Fiber	4.0%	6.7%

Wet/Canned Cat Food	Castor & Pollux	Health Extension
Crude Protein	43.3%	54.6%
Crude Fat	20.4%	20.3%
Crude Fiber	5.7%	6.3%

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.

There is a relatively insignificant difference between the crude protein content of the two brands. For wet cat foods, Health Extension provides significantly more protein (about 11.28% 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):

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.

If you look at the average percentages of crude fat, you'll notice that Health Extension typically guarantees 2.60% more fat. This is a fairly small difference between Health Extension and Castor & Pollux, but still worth mentioning. For wet cat foods, Castor & Pollux and Health Extension provide roughly the same amount of fat.

According to our data, Health Extension guarantees 2.64% more fiber than Castor & Pollux. Although this difference is relatively small, it's still a notable difference. For wet cat foods, Health Extension and Castor & Pollux provide roughly the same amount of fiber.

Castor & Pollux Pet Food Ingredients vs. Health Extension Pet Food Ingredients

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

Garlic

Pea Protein

Tomato Pomace

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

Caramel

Garlic Powder

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 Health Extension.

Liver

Beet Pulp

Canola Oil

Buffered Garlic

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

Castor & Pollux and Health Extension 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 Health Extension.

Added Color

Product Safety: Recall History of Castor & Pollux & Health Extension?

Castor & Pollux has been recalled once.

May 23, 2018: elevated levels of beef thyroid hormone

According to our records, Health Extension has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food	Castor & Pollux	Health Extension
Per Pound	$5.01	$2.99
Per Calorie	$0.0030	$0.0018

Dry Cat Food	Castor & Pollux	Health Extension
Per Pound	$5.50	$2.74
Per Calorie	$0.0033	$0.0016

Wet Dog Food	Castor & Pollux	Health Extension
Per Pound	$8.32	$3.61
Per Calorie	$0.0182	$0.0084

Wet Cat Food	Castor & Pollux	Health Extension
Per Pound	$9.65	$6.66
Per Calorie	$0.0214	$0.0138

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 Health Extension, 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 Health Extension 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 Health Extension. 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 Health Extension Pet Foods

You can purchase Health Extension pet food products from these retailers:

44 Recipes In-Stock Today

38 Recipes In-Stock Today

3 Recipes In-Stock Today

Type Of Pet Foods Available

Product	Castor & Pollux	Health Extension
Dry Dog Food	17 Recipes	15 Recipes
Wet Dog Food	28 Recipes	15 Recipes
Dog Treats	22 Treats	19 Treats
Dry Cat Food	6 Recipes	2 Recipes
Wet Cat Food	18 Recipes	13 Recipes
Cat Treats	1 Treats	2 Treats