Hill's Prescription Diet j/d Joint Care Dry Dog FoodHill's Prescription Diet j d Joint Care Dry Dog Food Improving your dogs mobility is as easy as feeding the right nutrition. Being proactive about mobility issues early can avoid the need for more aggressive treatments. Hills Prescription Diet j d helps your dog walk, run and jump more easily in as little as 21 days. Hill's Prescription Diet j d Canine is a complete and balanced food that provides all the nutrition dogs need. Key Benefits: Therapeutic