Purina Dog Chow Natural (Dry)

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Rating: ★★½☆☆

Purina Dog Chow Natural Dog Food receives the Advisor’s second-lowest tier rating of 2.5 stars.

The Purina Dog Chow Natural product line includes one dry dog food, a recipe claimed to meet AAFCO nutrient profiles for adult maintenance.

Purina Dog Chow Natural

Dry Dog Food

Estimated Dry Matter Nutrient Content

Protein = 24% | Fat = 11% | Carbs = 57%

Ingredients: Whole grain corn, chicken by-product meal, corn gluten meal, animal fat preserved with mixed-tocopherols, soybean meal, whole grain wheat, chicken, brewers rice, natural flavor, mono and dicalcium phosphate, calcium carbonate, salt, potassium chloride, l-lysine monohydrochloride, choline chloride, zinc sulfate, ferrous sulfate, vitamin E supplement, manganese sulfate, niacin, vitamin A supplement, copper sulfate, calcium pantothenate, garlic oil, pyridoxine hydrochloride, vitamin B12 supplement, thiamine mononitrate, vitamin D3 supplement, riboflavin supplement, calcium iodate, menadione sodium bisulfite complex (source of vitamin K activity), folic acid, biotin, sodium selenite

Fiber (estimated dry matter content) = 5.1%

Red items indicate controversial ingredients

Estimated Nutrient Content
MethodProteinFatCarbs
Guaranteed Analysis21%10%NA
Dry Matter Basis24%11%57%
Calorie Weighted Basis22%26%52%
Protein = 22% | Fat = 26% | Carbs = 52%

The first ingredient in this dog food is corn. Corn is an inexpensive and controversial cereal grain. And aside from its energy content, this grain is of only modest nutritional value to a dog.

For this reason, we do not consider corn a preferred component in any dog food.

The second ingredient is chicken by-product meal, a dry rendered product of slaughterhouse waste. It’s made from what’s left of a slaughtered chicken after all the prime cuts have been removed.

In addition to organs (the nourishing part), this stuff can contain almost anything — feet, beaks, undeveloped eggs — anything except feathers.

On the brighter side, by-product meals are meat concentrates and contain nearly 300% more protein than fresh chicken.

In any case, although this item contains all the amino acids a dog needs, we consider chicken by-products an inexpensive, lower quality ingredient.

The third ingredient is corn gluten meal. Gluten is the rubbery residue remaining once corn has had most of its starchy carbohydrate washed out of it.

Although corn gluten meal contains 60% protein, this ingredient would be expected to have a lower biological value than meat.

And less costly plant-based products like this can notably boost the total protein reported on the label — a factor that must be considered when judging the actual meat content of this dog food.

The fourth ingredient is animal fat. Animal fat is a generic by-product of rendering, the same high-temperature process used to make meat meals.

Since there’s no mention of a specific animal, this item could come from almost anywhere: roadkill, spoiled supermarket meat, dead, diseased or dying cattle — even euthanized pets.

For this reason, we do not consider generic animal fat a quality ingredient.

The fifth ingredient lists soybean meal, a by-product of soybean oil production more commonly found in farm animal feeds.

Although soybean meal contains 48% protein, this ingredient would be expected to have a lower biological value than meat.

And less costly plant-based products like this can notably boost the total protein reported on the label — a factor that must be considered when judging the actual meat content of this dog food.

The sixth ingredient is wheat. Wheat is another cereal grain and subject to the same issues as corn (previously discussed).

The seventh ingredient is chicken. Although it is a quality item, raw chicken contains up to 73% 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 eighth ingredient is brewers rice. Brewers rice is a cereal grain by-product consisting of the small fragments left over after milling whole rice. Aside from the caloric energy it contains, this item is of only modest nutritional value to a dog.

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, garlic can be a controversial item. Although many favor the ingredient for its claimed health benefits, garlic has been linked to Heinz body anemia in dogs.1

So, one must weigh the potential benefits of feeding garlic against its proven tendency to cause subclinical damage to the red blood cells of the animal.

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

In addition, 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.

And lastly, this food contains menadione, a controversial form of vitamin K linked to liver toxicity, allergies and the abnormal break-down of red blood cells.

Since vitamin K isn’t required by AAFCO in either of its dog food nutrient profiles, we question the use of this substance in any canine formulation.

Purina Dog Chow Natural
The Bottom Line

Judging by its ingredients alone, Purina Dog Chow Natural looks like a below-average dry product.

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 24%, a fat level of 11% and estimated carbohydrates of about 57%.

And a fat-to-protein ratio of about 48%.

Below-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 corn gluten and soybean meals, this looks like the profile of a kibble containing a modest amount of meat.

Bottom line?

Purina Dog Chow Natural is a plant-based dry dog food using a modest amount of named by-product meal as its main source of animal protein, thus earning the brand 2.5 stars.

Not 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.

Purina 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.

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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Special FDA Alert

The FDA has announced it is investigating a potential connection between grain-free diets and a type of canine heart disease known as dilated cardiomyopathy. Click here for details.

A Final Word

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However, due to the biological uniqueness of every animal, none of our ratings are intended to suggest feeding a particular product will result in a specific dietary response or health benefit for your pet.

For a better understanding of how we analyze each product, please read our article, "The Problem with Dog Food Reviews".

Remember, no dog food can possibly be appropriate for every life stage, lifestyle or health condition. So, choose wisely. And when in doubt, consult a qualified veterinary professional for help.

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In any case, please be assured it is always our intention to remain objective, impartial and unbiased when conducting our analysis.

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Notes and Updates

09/30/2017 Last Update

  1. Yamato et al, Heinz Body hemolytic anemia with eccentrocytosis from ingestion of Chinese chive (Allium tuberosum) and garlic (Allium sativum) in a dog, Journal of the American Animal Hospital Association 41:68-73 (2005)
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