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Enhance Dog Food (Dry)

Rating:

PRODUCT MAY HAVE BEEN DISCONTINUED

Enhance Dog Food receives the Advisor’s mid-tier rating of 3 stars.

The Enhance product line includes two dry dog foods. However, since we’re unable to locate AAFCO nutritional adequacy statements for these dog foods on the company’s website, it’s impossible for us to report specific life stage recommendations for these recipes.

The following is a list of recipes available at the time of this review.

  • Enhance Puppy
  • Enhance Professional Athlete

Enhance Puppy was selected to represent both products in the line for this review.

Enhance Puppy

Dry Dog Food

Estimated Dry Matter Nutrient Content

Protein = 34% | Fat = 23% | Carbs = 34%

Ingredients: Poultry by-product meal, poultry fat (preserved with mixed tocopherols, a source of vitamin E), brown rice, ground corn, dried beet pulp, whole wheat, corn gluten meal, rice bran, flaxseed, fish meal, potassium chloride, salt, natural flavor, brewers dried yeast, dried egg product, choline chloride, dicalcium phosphate, garlic powder, calcium carbonate, zinc proteinate, vitamin E supplement, zinc oxide, manganese proteinate, copper proteinate, copper sulfate, manganous oxide, niacin, biotin, d-calcium pantothenate, sodium selenite, riboflavin supplement, vitamin B12 supplement, thiamine mononitrate, vitamin A supplement, pyridoxine hydrochloride (source of vitamin B6), vitamin D3 supplement, menadione sodium bisulfite complex (source of vitamin K activity), ethylenediamine dihydroiodide (source of iodine), folic acid, cobalt carbonate

Fiber (estimated dry matter content) = 3.9%

Red denotes controversial item

Estimated Nutrient Content
MethodProteinFatCarbs
Guaranteed Analysis31%21%NA
Dry Matter Basis34%23%34%
Calorie Weighted Basis28%45%27%
Protein = 28% | Fat = 45% | Carbs = 27%

The first item in this dog food is poultry by-product meal, a dry rendered product of slaughterhouse waste. It’s made from what’s left of slaughtered poultry 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 quality skeletal muscle (real meat).

We consider poultry by-products slightly lower in quality than a single-species ingredient (like chicken by-products).

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

The second ingredient is poultry fat. Poultry fat is obtained from rendering, a process similar to making soup in which the fat itself is skimmed from the surface of the liquid.

Poultry fat is high in linoleic acid, an omega-6 fatty acid essential for life.

However, poultry fat is a relatively generic ingredient and can be considered lower in quality than a similar item from a named source animal (like chicken fat).

The third ingredient is brown rice, a complex carbohydrate that (once cooked) can be fairly easy to digest. However, aside from its natural energy content, rice is of only modest nutritional value to a dog.

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

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

Compared to meat, glutens are inferior grain-based proteins lower in some of the essential amino acids dogs need for life.

This inexpensive plant-based ingredient can significantly 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 eighth ingredient is rice bran, a healthy by-product of milling whole grain rice. The bran is the fiber-rich outer layer of the grain containing starch, protein, fat as well as vitamins and minerals.

The ninth ingredient is flaxseed, 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.

The tenth ingredient is fish meal, another protein-rich meat concentrate.

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

Unfortunately, this particular item is anonymous. Because various fish contain different types of fats, we would have preferred to have known the source species.

What’s more, the controversial chemical ethoxyquin is frequently used as a preservative in fish meals.

But because it’s usually added to the raw fish before processing, the chemical does not have to be reported to consumers.

We find no public assurances from the company this product is ethoxyquin-free.

Without knowing more, we would expect to find at least a trace of ethoxyquin in this product.

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 five notable exceptions

First, brewers yeast can be a controversial item. Although it’s a by-product of the beer making process, this ingredient is rich in minerals and other healthy nutrients.

Fans believe yeast repels fleas and supports the immune system.

Critics argue yeast ingredients can be linked to allergies. This may be true, but (like all allergies) only if your particular dog is allergic to the yeast itself.

In addition, a vocal minority insists yeast can increase the risk of developing the life-threatening condition known as bloat. However, this is a claim we’ve not been able to scientifically verify.

In any case, unless your dog is specifically allergic to it, yeast can still be considered a nutritious additive.

What’s more noteworthy here is that brewers yeast contains about 48% protein, a factor that must be considered when judging the actual meat content of this dog food.

Next, garlic can be a controversial item. Although most experts favor the ingredient for its numerous health benefits, garlic (in rare cases) has been linked to Heinz body anemia in dogs.2

However, the limited professional literature we surveyed provided no definitive warnings regarding the use of garlic — especially when used in small amounts (as it likely is here).

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

Next, this food also contains chelated minerals, minerals that have been chemically attached to protein. This makes them easier to absorb. Chelated minerals are usually found in better 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.

Enhance Dog Food
The Bottom Line

Judging by its ingredients alone, Enhance dog food 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 34%, a fat level of 23% and estimated carbohydrates of about 34%.

As a group, the brand features an average protein content of 34% and a mean fat level of 24%. Together, these figures suggest a carbohydrate content of 34% for the overall product line.

And a fat-to-protein ratio of about 71%.

Above-average protein. Above-average fat. And below-average carbs when compared to a typical dry dog food.

When you consider the protein-boosting effects of the corn gluten meal, flaxseed and brewers dried yeast, this looks like the profile of a kibble containing a moderate amount of meat.

Bottom line?

Enhance Dog Food is a plant-based dry kibble using a moderate amount of poultry by-product or chicken meals as its main sources of animal protein, thus earning the brand 3 stars.

Recommended.

Please note certain recipes are sometimes given a higher or lower rating based upon our estimate of their total meat content.

A Final Word

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Notes and Updates

05/23/2010 Original review
12/23/2010 Review updated
09/16/2012 Review updated
07/23/2013 Product has been discontinued

  1. Association of American Feed Control Officials
  2. 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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