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Iams vs Instinct

Iams vs. Instinct

In this comparison article for Iams vs Instinct, we'll highlight the key differences between these two pet food brands. To properly compare Iams and Instinct, 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 Instinct 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 Instinct Review Page.

Guaranteed Analysis: Instinct 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. Instinct Dog Food

Dry Dog FoodIamsInstinct
Crude Protein27.6%36.2%
Crude Fat14.9%24.1%
Crude Fiber5.2%4.4%
Wet/Canned Dog FoodIamsInstinct
Crude Protein40.9%42.1%
Crude Fat23.4%27.7%
Crude Fiber5.4%10.0%

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.

Instinct dry dog foods clearly provides more protein than Iams. In fact, the difference between the protein content is roughly 8.57%, which is a significant amount. For wet dog foods, Instinct and Iams 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

On average, Instinct dry dog food recipes contain 9.25% more fat than Iams recipes. Clearly, there is a significant difference between the fat content of Iams and Instinct. For wet dog foods, Instinct provides more fat (about 4.35% more).


Both brands provide roughly the same amount of crude fiber. For wet dog foods, Instinct provides more fiber (about 4.53% more).

Iams Cat Food vs. Instinct Cat Food

Dry Cat FoodIamsInstinct
Crude Protein35.7%43.7%
Crude Fat15.9%25.4%
Crude Fiber4.6%3.7%
Wet/Canned Cat FoodIamsInstinct
Crude Protein46.7%47.1%
Crude Fat21.8%25.0%
Crude Fiber4.9%8.6%

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.

Iams dry recipes contain 7.93% less protein than Instinct dry recipes. This difference in protein content is a notable difference between Instinct and Iams. For wet cat foods, Instinct and Iams provide roughly the same amount of protein.


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

When you look at the average percentages of crude fat for dry cat food, it's clear that Instinct provides significantly more fat. On average, Instinct guarantees about 9.47% more protein than Iams. For wet cat foods, Instinct typically provides a little more fat (about 3.21% more).


As you can see, Instinct and Iams guarantee a similar amount of crude fiber. For wet cat foods, Instinct typically provides a little more fiber (about 3.67% more).

Iams Pet Food Ingredients vs. Instinct Pet Food Ingredients

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

Canola Oil
Pea Protein
Dried Tomato Pomace

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

Liver
Caramel
Beet Pulp
Corn Meal
Corn Grits
Iron Oxide
Fish Digest
Ground Corn
Brewers Rice
Wheat Gluten
Caramel Color
Vegetable Oil
Feeding Oatmeal
Poultry Giblets
Corn Gluten Meal
Meat By-Products
Powdered Cellulose
Chicken By-Products
Dried Meat By-Products
Chicken By-Product Meal
Ground Whole Grain Corn
Poultry By-Product Meal
Animal Fat (Preserved With Mixed Tocopherols)
Poultry Fat (Preserved With Mixed Tocopherols)

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

Garlic
Tomato Pomace
Canola Oil (Preserved With Mixed Tocopherols)
Canola Oil (Preserved With Mixed Tocopherols And Citric Acid)

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

Iams and Instinct 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 Iams.

Blue 2
Red 40
Yellow 5
Yellow 6
Added Color

Product Safety: Recall History of Iams & Instinct?

Iams has been recalled 2 times.

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

Instinct has been recalled 2 times.

  • July 24, 2015: Salmonella
  • Feb. 15, 2013: Pieces of clear plastic in bag

Price Comparison: Which Brand Is More Expensive?

Dry Dog FoodIamsInstinct
Per Pound$1.52$8.93
Per Calorie$0.0009$0.0044
Dry Cat FoodIamsInstinct
Per Pound$2.03$11.49
Per Calorie$0.0012$0.0057
Wet Dog FoodIamsInstinct
Per Pound$1.90$6.31
Per Calorie$0.0038$0.0107
Wet Cat FoodIamsInstinct
Per Pound$6.97$8.87
Per Calorie$0.0151$0.0179

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 Instinct, 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 Instinct 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 Instinct. 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:


33 Recipes In-Stock Today

15 Recipes In-Stock Today

24 Recipes In-Stock Today

Where To Buy Instinct Pet Foods

You can purchase Instinct pet food products from these retailers:


84 Recipes In-Stock Today

59 Recipes In-Stock Today

67 Recipes In-Stock Today

17 Recipes In-Stock Today

Type Of Pet Foods Available

ProductIamsInstinct
Dry Dog Food24 Recipes37 Recipes
Wet Dog Food8 Recipes10 Recipes
Dog TreatsNoneNone
Dry Cat Food13 Recipes20 Recipes
Wet Cat Food13 Recipes16 Recipes
Cat Treats2 TreatsNone

Top Rated Iams Recipes

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Top Rated Instinct Recipes

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