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Iams vs Blue Buffalo

Iams vs. Blue Buffalo

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

Guaranteed Analysis: Blue Buffalo vs. Iams

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.

Iams Dog Food vs. Blue Buffalo Dog Food

Dry Dog Food Iams Blue Buffalo
Crude Protein 27.6% 30.4%
Crude Fat 14.9% 15.4%
Crude Fiber 5.1% 6.7%
Wet/Canned Dog Food Iams Blue Buffalo
Crude Protein 42.0% 41.1%
Crude Fat 24.0% 25.8%
Crude Fiber 5.8% 7.3%

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.

According to our average data, Iams typically provides less protein than Blue Buffalo. However, this difference is relatively small and doesn't represent a significant difference between the two brands. For wet dog foods, Iams and Blue Buffalo provide roughly the same amount of protein.


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. With regards to wet dog food, Blue Buffalo and Iams also provide roughly the same amount of crude fat.


As you can see, Iams and Blue Buffalo guarantee a similar amount of crude fiber. With regards to wet dog food, Blue Buffalo and Iams also provide roughly the same amount of crude fiber.

Iams Cat Food vs. Blue Buffalo Cat Food

Dry Cat Food Iams Blue Buffalo
Crude Protein 36.0% 38.5%
Crude Fat 16.8% 16.9%
Crude Fiber 4.3% 6.1%
Wet/Canned Cat Food Iams Blue Buffalo
Crude Protein 50.5% 46.3%
Crude Fat 19.0% 25.5%
Crude Fiber 14.7% 7.8%

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.

If you look at the average percentages of crude protein, you'll notice that Blue Buffalo typically guarantees 2.52% more protein. This is a fairly small difference between Blue Buffalo and Iams, but still worth mentioning. In addition, Iams wet cat foods also provide more protein than Blue Buffalo 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

Iams and Blue Buffalo both provide roughly the same amount of crude fat. For wet cat foods, Blue Buffalo provides more fat (about 6.48% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet cat foods, Iams provides more fiber (about 6.87% more).

Iams Pet Food Ingredients vs. Blue Buffalo Pet Food Ingredients

Iams and Blue Buffalo both use the following controversial ingredients in many of their products:

Caramel
Canola Oil
Pea Protein
Caramel Color
Tomato Pomace
Powdered Cellulose

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

Liver
Beet Pulp
Corn Meal
Corn Grits
Iron Oxide
Canola Meal
Fish Digest
Ground Corn
Brewers Rice
Wheat Gluten
Vegetable Oil
Feeding Oatmeal
Poultry Giblets
Beef By-Products
Corn Gluten Meal
Meat By-Products
Ground Yellow Corn
Chicken By-Products
Dried Meat By-Products
Chicken By-Product Meal
Ground Whole Grain Corn
Poultry By-Product Meal
Soybean Protein Isolate
Animal Fat (Preserved With Mixed Tocopherols)
Poultry Fat (Preserved With Mixed Tocopherols)

Here are some of the controversial ingredients used only by Blue Buffalo.

Garlic
Dried Tomato Pomace
Pea Protein Concentrate

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

Here are some of the harmful ingredients used only by Iams.

Blue 2
Red 40
Corn Oil
Yellow 5
Yellow 6
Ethoxyquin
Added Color
Menadione Sodium Bisulfite Complex
Menadione Dimethylpyrimidinol Bisulfite

Here are some of the harmful ingredients used only by Blue Buffalo.

Menadione Sodium Bisulfate Complex

Product Safety: Recall History of Iams & Blue Buffalo?

Iams has been recalled 2 times.

  • Aug. 14, 2013: Salmonella
  • July 30, 2010: Salmonella

Blue Buffalo has been recalled 9 times.

  • Nov. 25, 2015: Salmonella
  • Nov. 6, 2015: Presence of Propylene Glycol
  • May 31, 2016: Mold
  • March 18, 2017: elevated beef throid hormone
  • Feb. 14, 2017: presence of aluminum
  • March 3, 2017: Foil Seal Packaging Problem
  • Oct. 8, 2010: toxic levels of vitamin D
  • April 19, 2007: Melamine
  • April 26, 2007: Melamine

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Iams Blue Buffalo
Per Pound $1.33 $2.81
Per Calorie $0.0008 $0.0017
Dry Cat Food Iams Blue Buffalo
Per Pound $1.78 $3.98
Per Calorie $0.0011 $0.0024
Wet Dog Food Iams Blue Buffalo
Per Pound $1.72 $4.41
Per Calorie $0.0035 $0.0088
Wet Cat Food Iams Blue Buffalo
Per Pound $5.72 $5.65
Per Calorie $0.0110 $0.0110

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 Iams or Blue Buffalo, 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 Iams or Blue Buffalo will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Iams and Blue Buffalo. 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 Iams Pet Foods

You can purchase Iams pet foods from the following stores:


38 Recipes In-Stock Today

29 Recipes In-Stock Today

28 Recipes In-Stock Today

1 Recipes In-Stock Today

Where To Buy Blue Buffalo Pet Foods

You can purchase Blue Buffalo pet food products from these retailers:


333 Recipes In-Stock Today

260 Recipes In-Stock Today

289 Recipes In-Stock Today

13 Recipes In-Stock Today


Type Of Pet Foods Available

Product Iams Blue Buffalo
Dry Dog Food 28 Recipes 85 Recipes
Wet Dog Food 10 Recipes 99 Recipes
Dog Treats 42 Treats
Dry Cat Food 12 Recipes 41 Recipes
Wet Cat Food 31 Recipes 50 Recipes
Cat Treats 2 Treats 15 Treats

Compare Pet Food Prices Across Multiple Pet Stores