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WholeHearted vs Hill's Science Diet

WholeHearted vs. Hill's Science Diet

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

Guaranteed Analysis: Hill's Science Diet vs. WholeHearted

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.

WholeHearted Dog Food vs. Hill's Science Diet Dog Food

Dry Dog Food WholeHearted Hill's Science Diet
Crude Protein 29.2% 24.7%
Crude Fat 15.8% 14.6%
Crude Fiber 5.6% 4.1%
Wet/Canned Dog Food WholeHearted Hill's Science Diet
Crude Protein 43.6% 25.9%
Crude Fat 24.3% 17.4%
Crude Fiber 7.0% 3.3%

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.

Hill's Science Diet dry recipes contain 4.52% less protein than WholeHearted dry recipes. This difference in protein content is a notable difference between WholeHearted and Hill's Science Diet. In addition, WholeHearted wet dog foods also provide more protein than Hill's Science Diet wet foods.


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

Both brands provide roughly the same amount of crude fat. For wet dog foods, WholeHearted provides more fat (about 6.97% more).


As you can see, Hill's Science Diet and WholeHearted guarantee a similar amount of crude fiber. For wet dog foods, WholeHearted typically provides a little more fiber (about 3.78% more).

WholeHearted Cat Food vs. Hill's Science Diet Cat Food

Dry Cat Food WholeHearted Hill's Science Diet
Crude Protein 36.7% 35.5%
Crude Fat 14.9% 18.2%
Crude Fiber 5.8% 5.5%
Wet/Canned Cat Food WholeHearted Hill's Science Diet
Crude Protein 57.0% 38.7%
Crude Fat 17.1% 21.9%
Crude Fiber 7.5% 4.2%

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.

Hill's Science Diet and WholeHearted both provide roughly the same amount of crude protein. For wet cat foods, WholeHearted provides significantly more protein (about 18.31% 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

According to our average data, WholeHearted typically provides less fat than Hill's Science Diet. However, this difference is relatively small and doesn't represent a significant difference between the two brands. In addition, Hill's Science Diet wet cat foods also provide more fat than WholeHearted wet foods.


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet cat foods, WholeHearted typically provides a little more fiber (about 3.30% more).

WholeHearted Pet Food Ingredients vs. Hill's Science Diet Pet Food Ingredients

WholeHearted and Hill's Science Diet both use the following controversial ingredients in many of their products:

Iron Oxide
Pea Protein
Caramel Color
Tomato Pomace
Powdered Cellulose
Dried Tomato Pomace

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

Beet Pulp
Canola Oil
Canola Oil (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Hill's Science Diet.

Liver
Caramel
Corn Flour
Pork Plasma
Poultry Fat
Animal Liver
Brewers Rice
Wheat Gluten
Beef By-Products
Corn Gluten Meal
Pork By-Products
Whole Grain Corn
Whole Grain Wheat
Pea Protein Concentrate
Soybean Protein Isolate

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

WholeHearted and Hill's Science Diet both use the following harmful ingredients in many of their products:

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of WholeHearted & Hill's Science Diet?

According to our records, WholeHearted has never been recalled.

Hill's Science Diet has been recalled 2 times.

  • Jan. 31, 2019: elevated levels of Vitamin D
  • March 20, 2019: elevated levels of Vitamin D

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 WholeHearted Pet Foods

You can purchase WholeHearted pet foods from the following stores:


Where To Buy Hill's Science Diet Pet Foods

You can purchase Hill's Science Diet pet food products from these retailers:


136 Recipes In-Stock Today

107 Recipes In-Stock Today

130 Recipes In-Stock Today

35 Recipes In-Stock

Type Of Pet Foods Available

Product WholeHearted Hill's Science Diet
Dry Dog Food 22 Recipes 32 Recipes
Wet Dog Food 21 Recipes 32 Recipes
Dog Treats 18 Treats 15 Treats
Dry Cat Food 11 Recipes 19 Recipes
Wet Cat Food 17 Recipes 38 Recipes
Cat Treats 14 Treats

Compare Pet Food Prices Across Multiple Pet Stores