Iams Grain Free Naturals Dog Food receives the Advisor’s second-highest tier rating of 4 stars.

The Iams Grain Free Naturals product line includes two dry dog foods.

Each recipe below includes its related AAFCO nutrient profile when available on the product’s official webpage: Growth, Maintenance, All Life Stages, Supplemental or Unspecified.

Use links below to compare price and package size information at an online retailer.

• Iams Grain Free Naturals Chicken and Garden Pea [U]
• Iams Grain Free Naturals with Salmon and Red Lentils [U]

Iams Grain Free Naturals Chicken and Garden Pea was selected to represent both products in the line for this review.

The first ingredient in this dog food is chicken. Although it is a quality item, raw chicken contains about 80% water. After cooking, most of that moisture is lost, reducing the meat content to just a fraction of its original weight.

After processing, this item would probably account for a smaller part of the total content of the finished product.

The second ingredient includes peas. Peas are a quality source of carbohydrates. And like all legumes, they’re rich in natural fiber.

However, peas contain about 25% protein, a factor that must be considered when judging the meat content of this dog food.

The third ingredient is pea starch, a paste-like, gluten-free carbohydrate extract probably used here as a binder for making kibble. Aside from its energy content (calories), pea starch is of only modest nutritional value to a dog.

The fourth ingredient is chicken meal. Chicken meal is considered a meat concentrate and contains nearly 300% more protein than fresh chicken.

The fifth ingredient is menhaden meal, another protein-rich meat concentrate.

Menhaden are small ocean fish related to herring. They’re rich in protein and omega-3 fatty acids. What’s more, in their mid-depth habitat, menhaden are not exposed to mercury contamination as can be typical with deep water species.

Fish meal is typically obtained from the “clean, dried, ground tissue of undecomposed whole fish and fish cuttings” of commercial fish operations.¹

The sixth ingredient is beet pulp. Beet pulp is a controversial ingredient, a high fiber by-product of sugar beet processing.

Some denounce beet pulp as an inexpensive filler while others cite its outstanding intestinal health and blood sugar benefits.

We only call your attention here to the controversy and believe the inclusion of beet pulp in reasonable amounts in most dog foods is entirely acceptable.

The seventh ingredient is chicken fat. Chicken fat is obtained from rendering chicken, a process similar to making soup in which the fat itself is skimmed from the surface of the liquid.

Chicken fat is high in linoleic acid, an omega-6 fatty acid essential for life. Although it doesn’t sound very appetizing, chicken fat is actually a quality ingredient.

The eighth ingredient is dried egg product, a dehydrated form of shell-free eggs. Quality can vary significantly. Lower grade egg product can even come from commercial hatcheries — from eggs that have failed to hatch.

In any case, eggs are easy to digest and have an exceptionally high biological value.

From here, the list goes on to include a number of other items.

But to be realistic, ingredients located this far down the list (other than nutritional supplements) are not likely to affect the overall rating of this product.

With four notable exceptions…

First, flaxseed is one of the best plant sources of healthy omega-3 fatty acids. Provided they’ve first been ground into a meal, flax seeds are also rich in soluble fiber.

However, flaxseed contains about 19% protein, a factor that must be considered when judging the actual meat content of this dog food.

Next, apple pomace includes the pulpy solids that remain after pressing apples to extract the juice. It is most likely used here for its fiber content.

In addition, we find no mention of probiotics, friendly bacteria applied to the surface of the kibble after processing to help with digestion.

And lastly, the minerals listed here do not appear to be chelated. And that can make them more difficult to absorb. Non-chelated minerals are usually associated with lower quality dog foods.

Iams Grain Free Naturals Dog Food
The Bottom Line

Judging by its ingredients alone, Iams Grain Free Naturals looks like an above-average dry dog food.

But ingredient quality by itself cannot tell the whole story. We still need to estimate the product’s meat content before determining a final rating.

The dashboard displays a dry matter protein reading of 27%, a fat level of 13% and estimated carbohydrates of about 52%.

As a group, the brand features an average protein content of 27% and a mean fat level of 13%. Together, these figures suggest a carbohydrate content of 52% for the overall product line.

And a fat-to-protein ratio of about 50%.

Near-average protein. Below-average fat. And above-average carbs when compared to a typical dry dog food.

When you consider the protein-boosting effect of the peas and flaxseed, this looks like the profile of a kibble containing a moderate amount of meat.

Bottom line?

Iams Grain Free Naturals is a plant-based dry dog food using a moderate amount of named meats as its main sources of animal protein, thus earning the brand 4 stars.

Highly recommended.

Please note certain recipes are sometimes given a higher or lower rating based upon our estimate of their total meat content and (when appropriate) their fat-to-protein ratios.

Iams Dog Food
Recall History

The following list (if present) includes all dog food recalls since 2009 directly related to this product line. If there are no recalls listed in this section, we have not yet reported any events.

• Iams and Eukanuba Dog and Cat Food Recall (8/14/2013)
• Iams Withdraws Shakeables Brand Dog Treats (3/21/2013)
• Iams Recalls Puppy Food (12/6/2011)
• Iams Recall Mysteriously Removed by Retailer (11/27/2011)
• Eukanuba and Iams Dog Food Recall (8/1/2010)

You can view a complete list of all dog food recalls sorted by date. Or view the same list sorted alphabetically by brand.

To learn why our ratings have nothing to do with a product’s recall history, please visit our Dog Food Recalls FAQ page.

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Notes and Updates