- Flea & Tick
- Skin & Coat
- Rx Food
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Hill's nutritionists and veterinarians developed Prescription Diet® z/d® clinical nutrition especially formulated to support your dog's skin and food sensitivities. z/d is clinically proven nutrition to help avoid adverse reactions to food. It is clinically proven to help normalize stool. You can see Visible improvement in skin & coat in 30 days. It Helps support a healthy immune system. This product requires a veterinary prescription.