Hill's Pet Nutrition has launched two new veterinary-prescription products — Prescription Diet k/d + Derm Complete for dogs, which targets kidney function alongside skin sensitivities, and Prescription Diet k/d + z/d Hydrolyzed for cats, which addresses kidney issues combined with food-related digestive or skin problems.
Both Prescription Diet formulas feature ActivBiome+ Kidney Defense, a blend of prebiotic fiber that activates the gut microbiome to reduce harmful waste products, along with reduced phosphorus and sodium, omega-3 fatty acids, and high-quality protein to help maintain muscle mass and strength. The Prescription Diet k/d + Derm Complete for dogs uses a single novel animal protein to avoid adverse food reactions and claims visible skin improvement within 21 days , while the cat formula uses highly hydrolyzed proteins broken down to avoid detection by the immune system, helping to reduce scratching or digestive upset.
Kidney-Focused Prescription Pet Diets
Hill's Pet Nutrition Boasts Two Prescription Diet Options
Trend Themes
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Dual-condition Pet Nutrition — Combining renal support with dermatological or digestive benefits reflects a shift toward multifunctional pet diets that address overlapping chronic conditions in one prescription product.
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Microbiome-targeted Pet Diets — Microbiome-focused formulations using prebiotic fibers create room for therapeutic foods that manage disease progression through gut-health pathways rather than nutrition alone.
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Hypoallergenic Protein Formulas — Hydrolyzed and novel protein systems are expanding the market for precision diets that reduce immune reactions while supporting long-term organ health.
Industry Implications
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Pet Food — Premium pet food brands are moving beyond general wellness into clinically positioned formulas that blur the boundary between nutrition and pharmaceutical care.
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Veterinary Care — Veterinary clinics are becoming key access points for specialized therapeutic diets tied to diagnosis, compliance monitoring, and recurring prescription-based purchases.
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Animal Health Biotechnology — Advances in microbiome science and protein engineering are opening pathways for biologically informed pet products tailored to complex disease and sensitivity profiles.