HILL'S PRESCRIPTION DIET · REVIEW
Hill's Prescription Diet z/d Wet Cat Food Original
Hill's Prescription Diet z/d Wet Cat Food Original scores 2.6/5 for ingredient quality — a wet food cat food with 9.2% protein targeting adult cats.
Below Average
MiauMiau AI score · 2.6/5
AI ANALYSIS
What MiauMiau's AI actually sees
This food uses 'Meat and animal derivatives' as its primary ingredient, which is a low-quality, unnamed protein source. The estimated carbohydrate content is high at 37.8% DMB, primarily from maize starch, which is not ideal for an obligate carnivore.
According to MiauMiau's analysis of over 2,700+ wet food products, Hill's Prescription Diet z/d Wet Cat Food Original scores below the wet food average.
Analyzed by MiauMiau's Nutritional AI · April 2026
This analysis is generated from ingredient and compositional data. It is not veterinary advice. Always consult your veterinarian for health decisions.
Score breakdown
HOW IT COMPARES
Hill's Prescription Diet z/d Wet Cat Food Original vs. the category
Compared to the average wet food across 2,700+ products in our database.
Category avg: 3.1/5
Scores 0.5 points below the average wet food
OUR ASSESSMENT
What we like vs. what to watch
What we like
- Clean formula with no controversial additives
- Grain-free formula
- Nutritionally complete — suitable as a sole diet
What to watch
- Ingredient quality is below average
- Contains notable filler ingredients
- Uses vague 'derivatives' instead of named ingredients
- High carbohydrate content relative to protein
WHO IT'S FOR
Is this right for your cat?
Best for
INGREDIENTS
What's actually in the bag
Top ingredients
- 01Meat and animal derivatives
- 02derivatives of vegetable origin
- 03minerals
- 04oils and fats
- 05fruit
Ingredients are listed by weight. The first ingredients make up the majority of the formula.
Concerns
- Uses unnamed animal derivatives instead of specific protein sources
NUTRITION
The numbers
Guaranteed analysis
Dry matter basis
Dry matter basis removes water content for accurate comparison between wet and dry foods.
FULL LABEL
Every ingredient
Meat and animal derivatives, derivatives of vegetable origin, minerals, oils and fats, fruit, seeds. Protein source: Chicken liver hydrolysate. Carbohydrate source: Maize starch.
FAQ
Questions worth answering
Is Hill's Prescription Diet z/d Wet Cat Food Original good for cats?
According to MiauMiau's AI analysis, Hill's Prescription Diet z/d Wet Cat Food Original is a below-average wet food with a quality score of 2.6 out of 5. This food uses 'Meat and animal derivatives' as its primary ingredient, which is a low-quality, unnamed protein source. The estimated carbohydrate content is high at 37.8% DMB, primarily from maize starch, which is not ideal for an obligate carnivore.
What is the protein content of Hill's Prescription Diet z/d Wet Cat Food Original?
Hill's Prescription Diet z/d Wet Cat Food Original contains 9.2% protein as listed on the label. On a dry matter basis, that's 34.07% protein. Dry matter basis is the fairest way to compare protein between wet and dry foods because it removes water content from the equation.
Is Hill's Prescription Diet z/d Wet Cat Food Original grain-free?
Yes, Hill's Prescription Diet z/d Wet Cat Food Original is grain-free. It does not contain wheat, corn, rice, or other grain ingredients. This can be beneficial for cats with grain sensitivities, though most healthy cats tolerate grains without issues.
How does Hill's Prescription Diet z/d Wet Cat Food Original compare to other wet food?
According to MiauMiau's database of over 2,700+ cat food products, Hill's Prescription Diet z/d Wet Cat Food Original scores 0.5 points below the average wet food quality score of 3.1. MiauMiau's AI evaluates ingredient quality, protein adequacy, filler content, and additive safety to generate each score.
Is Hill's Prescription Diet z/d Wet Cat Food Original suitable for kittens or senior cats?
Hill's Prescription Diet z/d Wet Cat Food Original is formulated for adult cats. If you have a kitten or a senior cat, look for formulas specifically designed for their life stage.
What are the main ingredients in Hill's Prescription Diet z/d Wet Cat Food Original?
The top 5 ingredients in Hill's Prescription Diet z/d Wet Cat Food Original are: Meat and animal derivatives, derivatives of vegetable origin, minerals, oils and fats, fruit. The primary ingredient is Meat and animal derivatives. The remaining top ingredients are derivatives of vegetable origin, minerals, oils and fats, fruit. Ingredient order indicates proportion by weight, so the first ingredients make up the bulk of the formula.
Similar picks
Similar wet food products
Products with similar quality scores in the same category
Related brands
Related brands
Brands with similar product range and scoring
Related breeds
Breeds that thrive on wet food
Cat breeds whose dietary needs align with this product
60 SECONDS · FREE
Is Hill's Prescription Diet z/d Wet Cat Food Original right for your cat?
Get a personalized care plan tailored to your cat's breed, age, and health needs.