Iams vs. Merrick
In this comparison article for Iams vs Merrick, we'll highlight the key differences between these two pet food brands. To properly compare Iams and Merrick, 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 Merrick 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 Merrick Review Page.
Guaranteed Analysis: Merrick 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. Merrick Dog Food
|Dry Dog Food||Iams||Merrick|
|Wet/Canned Dog Food||Iams||Merrick|
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.
On average, Merrick dry dog food recipes contain 9.57% more protein than Iams recipes. Clearly, there is a significant difference between the protein content of Iams and Merrick. For wet dog foods, Merrick and Iams provide roughly the same amount of protein.
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 Merrick typically guarantees 2.03% more fat. This is a fairly small difference between Merrick and Iams, but still worth mentioning. In addition, Iams wet dog foods also provide more fat than Merrick wet foods.
As you can see, Merrick and Iams guarantee a similar amount of crude fiber. For wet dog foods, Merrick typically provides a little more fiber (about 2.77% more).
Iams Cat Food vs. Merrick Cat Food
|Dry Cat Food||Iams||Merrick|
|Wet/Canned Cat Food||Iams||Merrick|
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.
The table shows that Iams provides far less protein than Merrick. The difference in protein content is roughly 4.71%. For wet cat foods, Iams typically provides a little more protein (about 3.50% 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.
Merrick and Iams both provide roughly the same amount of crude fat. For wet cat foods, Merrick typically provides a little more fat (about 2.80% 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 8.83% more).
Iams Pet Food Ingredients vs. Merrick Pet Food Ingredients
Iams and Merrick both use the following controversial ingredients in many of their products:
Here are some of the controversial ingredients used only by Iams.
Here are some of the controversial ingredients used only by Merrick.
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.
Product Safety: Recall History of Iams & Merrick?
Iams has been recalled 2 times.
- Aug. 14, 2013: Salmonella
- July 30, 2010: Salmonella
Merrick has been recalled 6 times.
- Jan. 28, 2011: Salmonella
- Aug. 8, 2011: Salmonella
- July 2, 2010: Salmonella
- Aug. 3, 2010: Salmonella
- Aug. 13, 2010: Salmonella
- May 23, 2018: elevated levels of beef thyroid hormone
Price Comparison: Which Brand Is More Expensive?
|Dry Dog Food||Iams||Merrick|
|Dry Cat Food||Iams||Merrick|
|Wet Dog Food||Iams||Merrick|
|Wet Cat Food||Iams||Merrick|
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 Merrick, 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 Merrick 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 Merrick. In addition, we currently have some great coupons for our readers.
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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:
Where To Buy Merrick Pet Foods
You can purchase Merrick pet food products from these retailers:
Type Of Pet Foods Available
|Dry Dog Food||28 Recipes||38 Recipes|
|Wet Dog Food||10 Recipes||51 Recipes|
|Dog Treats||29 Treats|
|Dry Cat Food||12 Recipes||17 Recipes|
|Wet Cat Food||31 Recipes||45 Recipes|
|Cat Treats||2 Treats|