Hill's Prescription Diet c/d + Metabolic Cat Food - Urinary & Weight

In this review the focus is on Hill's Prescription Diet c/d + Metabolic, a veterinary dry food formulated to support both urinary health and weight management in cats. The bottom line: this diet is for cat owners looking for clinical nutrition proven to reduce common urinary signs and help cats lose weight while keeping them satisfied between meals. Developed by nutritionists and veterinarians, it aims to dissolve struvite stones quickly and help cats achieve measurable weight loss in a short timeframe.

Key Features

• Clinically tested results: Nutrition clinically tested to reduce the most common urinary signs by 89%, offering measurable improvement for cats with urinary issues.
• Weight management support: Proven to reduce weight by 11% in 60 days, helping overweight cats reach healthier weights when used as directed.
• Stone dissolution: Formulated to dissolve struvite stones in as little as 7 days (average 27 days), providing an active approach to manage certain urinary crystals.
• Satiety blend: A unique fiber blend from fruits and vegetables helps cats feel full and satisfied between meals, supporting calorie control without constant begging.
• Veterinary formulation: Developed by Hills nutritionists and veterinarians and positioned as a therapeutic diet so owners can consult their vet for individualized guidance.

Who It's For

This food is best for cats diagnosed by a veterinarian with urinary crystal issues or for cats that need medically supervised weight reduction while still receiving balanced nutrition. It suits owners who prefer a diet with clinical evidence and a formulation designed to address both weight and urinary concerns simultaneously.

It is not intended for healthy cats without urinary or weight issues unless advised by a veterinarian, and owners seeking a non-prescription maintenance diet or a food with novel proteins for food sensitivities should look for alternatives recommended by their clinic.

Pros & Cons

Pros

• Clinically shown to reduce common urinary signs by a large margin, which is reassuring for cats with urinary problems.
• Supports measurable weight loss in a defined period when combined with veterinary guidance and portion control.
• Formulated to dissolve struvite stones quickly for cats needing active management.
• Fiber from fruits and vegetables helps maintain satiety between meals.

Cons

• As a veterinary therapeutic diet, it requires a vet consult and may be more costly than standard cat foods.
• Some owners report mixed opinions on value for money, so cost may be a consideration for long-term use.

Specifications

Our Verdict

Hill's Prescription Diet c/d + Metabolic is a strong choice for cats with urinary crystal issues and for those needing medically supervised weight loss. The clinical evidence for both urinary sign reduction and weight loss, plus a satiety-focused formula, make it a practical therapeutic option despite higher cost and the need for veterinary supervision.

Frequently Asked Questions

Do I need a prescription to buy this food?
Hill's Prescription Diet formulas are veterinary therapeutic diets; consult your veterinarian to confirm this is the right food for your cat.

How quickly does it act on urinary crystals?
The formula is intended to dissolve struvite stones in as little as 7 days, with an average observed dissolution time of 27 days.

Will it help my cat lose weight?
The diet is clinically proven to reduce weight by about 11% in 60 days when fed as part of a managed program under veterinary guidance.