Hill's B/D Canine We want your dog to be able to enjoy a healthy and fit life even in old age: for this, it is important to choose a dog food that suits the needs of your elderly four-legged friend. Hill's Prescription Diet b/d Aging Care with Chicken has been specially developed for older dogs and can help them, among other things, with ageing. This dog food is refined with fruits and vegetables to ensure a balanced diet rich in vital substances. The antioxidants it contains contribute to a normal immune system. The protein, sodium and phosphorus content is adapted to maintain the normal function of the heart and kidneys. Hill's Prescription Diet b/d Aging Care dog food with chicken is rich in omega-3 fatty acids, which support normal cognitive functioning.