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Iams Veterinary Formula Weight Control Dog Food is not rated due to its intentional therapeutic design.
The Iams Veterinary Formula Weight Control product line includes two dry dog foods, each designed to help with weight control.
The following is a list of recipes available at the time of this review.
- Iams Veterinary Formula Weight Loss/Mobility Plus
- Iams Veterinary Formula Glucose and Weight Control Plus
Iams Veterinary Formula Weight Loss/Mobility Plus was selected to represent both products in the line for this review.
Iams Veterinary Formulas Weight Loss / Mobility Plus Restricted Calorie
Dry Dog Food
Estimated Dry Matter Nutrient Content
Ingredients: Corn grits, chicken by-product meal, ground whole grain sorghum, ground whole grain barley, dried beet pulp, chicken flavor, fish meal, dried egg product, chicken fat (preserved with mixed tocopherols, a source of vitamin E), brewers dried yeast, potassium chloride, calcium carbonate, sodium hexametaphosphate, fish oil (preserved with mixed tocopherols, a source of vitamin E), vitamins (vitamin E supplement, vitamin A acetate, ascorbic acid, calcium pantothenate, biotin, thiamine mononitrate (source of vitamin B1), vitamin B12 supplement, niacin, riboflavin supplement (source of vitamin B2), inositol, pyridoxine hydrochloride (source of vitamin B6), vitamin D3 supplement, folic acid), dicalcium phosphate, choline chloride, flax meal, minerals (ferrous sulfate, zinc oxide, manganese sulfate, copper sulfate, manganous oxide, potassium iodide, cobalt carbonate), dl-methionine, ethoxyquin (a preservative), l-carnitine, rosemary extract
Fiber (estimated dry matter content) = 4.4%
Red denotes controversial item
|Estimated Nutrient Content|
|Dry Matter Basis||24%||10%||58%|
|Calorie Weighted Basis||23%||23%||54%|
The first ingredient in this dog food lists corn grits. Grits are made from ground corn, an inexpensive and controversial cereal grain 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 sorghum. Sorghum (milo) is a starchy cereal grain with a nutrient profile similar to corn.
Since it is gluten-free and boasts a smoother blood sugar behavior than other grains, sorghum may be considered an acceptable non-meat ingredient.
The fourth ingredient is barley. Barley is a starchy carbohydrate supplying fiber and other healthy nutrients. However, aside from its energy content, this cereal grain is of only modest nutritional value to a dog.
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.
After the chicken flavor, we find 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.2
Unfortunately, this particular item is anonymous. Because various fish contain different types of fats, we would have preferred to have known the source species.
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.
The ninth 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.
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 six 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, we note the inclusion of sodium hexametaphosphate, a man-made industrial polymer with no known nutritive value.
HMP is used in making soap, detergents, water treatment, metal finishing and most likely here to decrease tartar build-up on the teeth.
Although some might disagree, we’re of the opinion that food is not the place for tartar control chemicals or any other non-nutritive substances.
In addition, flaxseed meal is one of the best plant-based sources of healthy omega-3 fatty acids. Flax meal is particularly 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, we find no mention of probiotics, friendly bacteria applied to the surface of the kibble after processing to help with digestion.
Also, 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 dog food contains ethoxyquin, a controversial preservative linked to the accumulation of hemoglobin pigment in the liver and elevated hepatic enzymes in the blood.
Iams Veterinary Formula Weight Control Dog Food
The Bottom Line
Although this is a prescription product, our review has nothing to do with the accuracy of claims made by the manufacturer as to the product’s ability to treat or cure a specific health condition.
So, to find out whether or not this dog food is appropriate for your particular pet, it’s important to consult your veterinarian.
With that understanding…
Judging by its ingredients alone, Iams Veterinary Formula Weight Control appears to be a below-average dry product.
But ingredient quality by itself cannot tell the whole story. We still prefer to estimate the product’s meat content before concluding our report.
The dashboard displays a dry matter protein reading of 31%, a fat level of 10% and estimated carbohydrates of about 51%.
As a group, the brand features an average protein content of 29% and a mean fat level of 10%. Together, these figures suggest a carbohydrate content of 52% for the overall product line.
And a fat-to-protein ratio of about 35%.
Near-average protein. Below-average fat. And above-average carbs when compared to a typical dry dog food.
Even when you consider the protein-boosting effect of the brewers yeast and flax meal, this looks like the profile of a kibble containing a moderate amount of meat.
Iams Veterinary Formula Weight Control is a plant-based dry dog food using a moderate amount of chicken by-product meal as its main source of animal protein.
Iams Veterinary Dog Food
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
07/01/2018 Last Update