Hill's Prescription Diet k/d + Mobility Canine is a nutrition diet that can transform your dog’s life. Loaded with valuable ingredients, this rich and nutritious diet helps build strong and lean muscles. It further improves joint function and protects vital kidney as well. Furthermore, it supports proper heart function and improves the dog’s ability to run, walk and jump in as little as 21 days. Buy high-quality pet food online at DiscountPetCare with free shipping.