Hill's Prescription Diet w/d Multi-Benefit Dry Dog FoodHill's Prescription Diet w d Multi Benefit Dry Dog Food Some dogs can be more prone to gain weight than others. Even a little extra weight can impact the pets quality of life and relationship with family because that extra weight can reduce play time, impact mobility and affect the lifelong general health of your dog. Weight problems can be successfully managed through changes in your dog's food. Hill's nutritionists & veterinarians developed Hill's