Real salmon provides an omega-rich protein source for your sensitive dog. Easily digestible ingredients, like rice and oat meal, for your dog's sensitive stomach. High levels of skin-essential nutrients (vitamin E and omega fatty acids) help avoid dry skin. Contains natural sources of glucosamine to help maintain healthy joints. Real salmon is the No. 1 ingredient. It's not for all dogs. Purina One Sensitive Systems formula is specially formulated for adult dogs. If you have a puppy, nursing or pregnant dog, feed Purina One Growth and Development formula Purina One provides 100% complete and balanced nutrition for maintenance of adult dogs. There is no need to add vitamins, minerals, or other supplements, unless specifically directed by a veterinarian. Purina One provides super premium nutrition for good health you can see in your dog. Veterinarians at Purina have identified six signs of optimal pet health and Purina One is formulated to deliver all six. As the chart below shows, Purina One Sensitive Systems formula focuses on digestion, skin and coat. It's formulated with gentle ingredients, including salmon, rice and oat meal, to provide highly palatable easily digestible and complete nutrition without disrupting your dog's sensitive nature. If you have any questions, be sure to ask your veterinarian for assistance in assessing your dog's health.