Hill’s Prescription Diet Z/D Canine (Canned)

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Rating: ☆☆☆☆☆

Hill’s Prescription Diet Z/D canned dog food is not rated due to its intentional therapeutic design.

The Hill’s Prescription Diet Z/D product line includes one canned dog food, a recipe designed to help with the support of pets with skin or food sensitivities.

Hill's Prescription Diet Z/D Canine

Canned Dog Food

Estimated Dry Matter Nutrient Content

Protein = 20% | Fat = 14% | Carbs = 58%

Ingredients: Water, hydrolyzed chicken liver, corn starch, powdered cellulose, soybean oil, dicalcium phosphate, calcium carbonate, potassium chloride, iodized salt, choline chloride, dl-methionine, vitamins (vitamin E supplement, ascorbic acid (source of vitamin C), thiamine mononitrate, niacin supplement, calcium pantothenate, vitamin B12 supplement, pyridoxine hydrochloride, biotin, vitamin D3 supplement, riboflavin supplement, folic acid), potassium citrate, minerals (zinc oxide, ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate), magnesium oxide, l-tryptophan, taurine, beta-carotene

Fiber (estimated dry matter content) = 4.9%

Red items indicate controversial ingredients

Estimated Nutrient Content
MethodProteinFatCarbs
Guaranteed Analysis20%14%NA
Dry Matter Basis20%14%58%
Calorie Weighted Basis18%31%52%
Protein = 18% | Fat = 31% | Carbs = 52%

The first ingredient in this dog food is water, which adds nothing but moisture to this food. Water is a routine finding in most canned dog foods.

The second ingredient is hydrolyzed chicken liver, an organ meat that’s been chemically broken-down into its component amino acids. Hydrolyzed proteins are considered hypoallergenic.

The third ingredient is corn starch, a starchy powder extracted from the endosperm found at the heart of a kernel of corn. Corn starch is most likely used here to thicken the broth into a gravy.

Corn starch isn’t a true red flag item. Yet we’ve highlighted here for those wishing to avoid corn-based ingredients.

The fourth ingredient is powdered cellulose, a non-digestible plant fiber usually made from the by-products of vegetable processing. Except for the usual benefits of fiber, powdered cellulose provides no nutritional value to a dog.

The fifth ingredient is soybean oil which is red flagged here only due to its rumored (yet unlikely) link to canine food allergies.

However, since soybean oil is high in omega-6 fatty acids and contains no omega-3’s, it’s considered less nutritious than flaxseed oil or a named animal fat.

The sixth ingredient lists dicalcium phosphate, likely used here as a dietary calcium supplement.

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 one notable exception

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.

Hill’s Prescription Diet Z/D Canned 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, you must consult your veterinarian.

With that understanding…

Judging by its ingredients alone, Hill’s Prescription Diet Z/D Canine looks like an average wet 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 20%, a fat level of 14% and estimated carbohydrates of about 58%.

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

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

Free of any plant-based protein boosters, this looks like the profile of a wet product containing a limited amount of meat.

Bottom line?

Hill’s Prescription Diet Z/D Canine is a plant-based canned dog food using a limited amount of named meat as its main source of animal protein.

However, due to its intentional therapeutic design, this dog food is not rated.

Hill’s Prescription Diet 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.

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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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Notes and Updates

03/23/2018 Last Update