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Iams vs Only Natural Pet

Iams vs. Only Natural Pet

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

Guaranteed Analysis: Only Natural Pet 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. Only Natural Pet Dog Food

Dry Dog Food Iams Only Natural Pet
Crude Protein 27.8% 39.3%
Crude Fat 15.1% 17.0%
Crude Fiber 5.1% 5.6%
Wet/Canned Dog Food Iams Only Natural Pet
Crude Protein 42.0% 47.2%
Crude Fat 24.0% 23.9%
Crude Fiber 5.8% 4.9%

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.

Only Natural Pet dry dog foods clearly provides more protein than Iams. In fact, the difference between the protein content is roughly 11.44%, which is a significant amount. For wet dog foods, Only Natural Pet provides more protein (about 5.24% more).


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, Iams and Only Natural Pet also provide roughly the same amount of crude fat.


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

Iams Cat Food vs. Only Natural Pet Cat Food

Dry Cat Food Iams Only Natural Pet
Crude Protein 36.0% 51.3%
Crude Fat 16.8% 17.6%
Crude Fiber 4.3% 5.5%
Wet/Canned Cat Food Iams Only Natural Pet
Crude Protein 50.5% 43.1%
Crude Fat 19.0% 24.3%
Crude Fiber 14.7% 4.6%

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.

On average, Only Natural Pet dry cat food recipes contain 15.30% more protein than Iams recipes. Clearly, there is a significant difference between the protein content of Iams and Only Natural Pet. For wet cat foods, Iams provides more protein (about 7.41% 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

Iams and Only Natural Pet both provide roughly the same amount of crude fat. For wet cat foods, Only Natural Pet provides more fat (about 5.28% more).


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet cat foods, Iams provides significantly more fiber (about 10.11% more).

Iams Pet Food Ingredients vs. Only Natural Pet Pet Food Ingredients

Iams and Only Natural Pet both use the following controversial ingredients in many of their products:

Pea Protein
Tomato Pomace
Vegetable Oil

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

Liver
Caramel
Beet Pulp
Corn Meal
Canola Oil
Corn Grits
Iron Oxide
Canola Meal
Fish Digest
Ground Corn
Brewers Rice
Wheat Gluten
Caramel Color
Feeding Oatmeal
Poultry Giblets
Beef By-Products
Corn Gluten Meal
Meat By-Products
Ground Yellow Corn
Powdered Cellulose
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 Only Natural Pet.

Garlic
Garlic Powder
Organic Canola Oil
Organic Canola Oil (Preserved With Mixed Tocopherols)

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

Product Safety: Recall History of Iams & Only Natural Pet?

Iams has been recalled 2 times.

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

According to our records, Only Natural Pet has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Wet Dog Food Iams Only Natural Pet
Per Pound $1.72 $7.50
Per Calorie $0.0035 $0.0090

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 Only Natural Pet, 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 Only Natural Pet 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 Only Natural Pet. 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:


39 Recipes In-Stock Today

28 Recipes In-Stock Today

28 Recipes In-Stock Today

1 Recipes In-Stock Today

Where To Buy Only Natural Pet Pet Foods

You can purchase Only Natural Pet pet food products from these retailers:


2 Recipes In-Stock Today

1 Recipes In-Stock Today

Type Of Pet Foods Available

Product Iams Only Natural Pet
Dry Dog Food 29 Recipes 19 Recipes
Wet Dog Food 10 Recipes 8 Recipes
Dog Treats 43 Treats
Dry Cat Food 12 Recipes 7 Recipes
Wet Cat Food 31 Recipes 7 Recipes
Cat Treats 2 Treats 6 Treats

Compare Pet Food Prices Across Multiple Pet Stores