NutriSource vs Hill's Science Diet

NutriSource vs. Hill's Science Diet

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

Guaranteed Analysis: Hill's Science Diet vs. NutriSource

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.

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

Dry Dog Food NutriSource Hill's Science Diet
Crude Protein 29.5% 24.5%
Crude Fat 16.9% 14.8%
Crude Fiber 7.1% 4.3%
Wet/Canned Dog Food NutriSource Hill's Science Diet
Crude Protein 44.7% 25.8%
Crude Fat 34.1% 17.1%
Crude Fiber 6.8% 3.3%

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 Hill's Science Diet provides far less protein than NutriSource. The difference in protein content is roughly 4.92%. In addition, NutriSource wet dog foods also provide more protein than Hill's Science Diet 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.

If you look at the average percentages of crude fat, you'll notice that NutriSource typically guarantees 2.08% more fat. This is a fairly small difference between NutriSource and Hill's Science Diet, but still worth mentioning. In addition, NutriSource wet dog foods also provide more fat than Hill's Science Diet wet foods.


According to our data, NutriSource guarantees 2.80% more fiber than Hill's Science Diet. Although this difference is relatively small, it's still a notable difference. In addition, NutriSource wet dog foods also provide more fiber than Hill's Science Diet wet foods.

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

Dry Cat Food NutriSource Hill's Science Diet
Crude Protein 36.7% 35.2%
Crude Fat 17.6% 18.5%
Crude Fiber 8.2% 5.8%
Wet/Canned Cat Food NutriSource Hill's Science Diet
Crude Protein 46.8% 38.5%
Crude Fat 33.8% 22.0%
Crude Fiber 5.0% 4.4%

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.

As you can see, Hill's Science Diet and NutriSource guarantee a similar amount of crude protein. For wet cat foods, NutriSource provides significantly more protein (about 8.26% 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.

NutriSource and Hill's Science Diet both provide roughly the same amount of crude fat. For wet cat foods, NutriSource provides significantly more fat (about 11.80% more).


There is a small difference between the fiber content of NutriSource and Hill's Science Diet. We can see that NutriSource guarantees about 2.42% more fiber than Hill's Science Diet. For wet cat foods, NutriSource and Hill's Science Diet provide roughly the same amount of fiber.

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

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

Pea Protein
Brewers Rice
Dried Tomato Pomace

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

White Rice

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

Liver
Caramel
Corn Flour
Iron Oxide
Pork Plasma
Poultry Fat
Animal Liver
Wheat Gluten
Caramel Color
Tomato Pomace
Beef By-Products
Corn Gluten Meal
Pork By-Products
Whole Grain Corn
Whole Grain Wheat
Powdered Cellulose
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.

NutriSource 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 NutriSource & Hill's Science Diet?

According to our records, NutriSource has never been recalled.

Hill's Science Diet has been recalled once.

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

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food NutriSource Hill's Science Diet
Per Pound $2.15 $1.99
Per Calorie $0.0012 $0.0012
Dry Cat Food NutriSource Hill's Science Diet
Per Pound $2.36 $2.90
Per Calorie $0.0013 $0.0017
Wet Dog Food NutriSource Hill's Science Diet
Per Pound $2.84 $3.24
Per Calorie $0.0054 $0.0078
Wet Cat Food NutriSource Hill's Science Diet
Per Pound $4.79 $4.73
Per Calorie $0.0095 $0.0100

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 NutriSource or Hill's Science Diet, 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 NutriSource or Hill's Science Diet will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for NutriSource and Hill's Science Diet. 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 NutriSource Pet Foods

You can purchase NutriSource 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:









Type Of Pet Foods Available

Product NutriSource Hill's Science Diet
Dry Dog Food 29 Recipes 32 Recipes
Wet Dog Food 12 Recipes 30 Recipes
Dog Treats 9 Treats 15 Treats
Dry Cat Food 5 Recipes 18 Recipes
Wet Cat Food 14 Recipes 39 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

Compare NutriSource To

Compare Hill's Science Diet To

Brands Similar To

Ingredient Reviews