Solid Gold vs Hill's Science Diet

Solid Gold vs. Hill's Science Diet

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

Guaranteed Analysis: Hill's Science Diet vs. Solid Gold

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.

Solid Gold Dog Food vs. Hill's Science Diet Dog Food

Dry Dog Food Solid Gold Hill's Science Diet
Crude Protein 30.3% 24.5%
Crude Fat 14.7% 14.8%
Crude Fiber 5.4% 4.3%
Wet/Canned Dog Food Solid Gold Hill's Science Diet
Crude Protein 40.7% 25.8%
Crude Fat 24.5% 17.1%
Crude Fiber 6.4% 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 5.74% less protein than Solid Gold dry recipes. This difference in protein content is a notable difference between Solid Gold and Hill's Science Diet. In addition, Solid Gold 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, Solid Gold provides more fat (about 7.45% more).


As you can see, Hill's Science Diet and Solid Gold guarantee a similar amount of crude fiber. For wet dog foods, Solid Gold typically provides a little more fiber (about 3.05% more).

Solid Gold Cat Food vs. Hill's Science Diet Cat Food

Dry Cat Food Solid Gold Hill's Science Diet
Crude Protein 39.3% 35.2%
Crude Fat 16.7% 18.5%
Crude Fiber 5.3% 5.8%
Wet/Canned Cat Food Solid Gold Hill's Science Diet
Crude Protein 54.5% 38.5%
Crude Fat 17.3% 22.0%
Crude Fiber 6.3% 4.4%

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.

The table shows that Hill's Science Diet provides far less protein than Solid Gold. The difference in protein content is roughly 4.10%. In addition, Solid Gold wet cat foods also provide more protein than Hill's Science Diet wet foods.


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

Solid Gold and Hill's Science Diet both provide roughly the same amount of crude fat. For wet cat foods, Hill's Science Diet provides more fat (about 4.66% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. With regards to wet cat food, Solid Gold and Hill's Science Diet also provide roughly the same amount of crude fiber.

Solid Gold Pet Food Ingredients vs. Hill's Science Diet Pet Food Ingredients

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

Pea Protein
Tomato Pomace

Here are some of the controversial ingredients used only by Solid Gold.

Canola Oil
White Rice
Dried Garlic
Garlic Powder
Vegetable 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
Iron Oxide
Pork Plasma
Poultry Fat
Animal Liver
Brewers Rice
Wheat Gluten
Caramel Color
Beef By-Products
Corn Gluten Meal
Pork By-Products
Whole Grain Corn
Whole Grain Wheat
Powdered Cellulose
Dried Tomato Pomace
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.

Solid Gold and Hill's Science Diet 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 Solid Gold.

Menadione Sodium Bisulfate Complex

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

Solid Gold has been recalled once.

  • May 8, 2012: Salmonella

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 Solid Gold Hill's Science Diet
Per Pound $2.85 $1.99
Per Calorie $0.0017 $0.0012
Dry Cat Food Solid Gold Hill's Science Diet
Per Pound $3.34 $2.90
Per Calorie $0.0021 $0.0017
Wet Dog Food Solid Gold Hill's Science Diet
Per Pound $4.64 $3.24
Per Calorie $0.0100 $0.0078
Wet Cat Food Solid Gold Hill's Science Diet
Per Pound $7.16 $4.73
Per Calorie $0.0158 $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 Solid Gold 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 Solid Gold 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 Solid Gold 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 Solid Gold Pet Foods

You can purchase Solid Gold 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 Solid Gold Hill's Science Diet
Dry Dog Food 23 Recipes 32 Recipes
Wet Dog Food 15 Recipes 30 Recipes
Dog Treats 7 Treats 15 Treats
Dry Cat Food 10 Recipes 18 Recipes
Wet Cat Food 34 Recipes 39 Recipes
Cat Treats

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