This Natural Dog Company Wild Alaskan Salmon Oil Dog Supplement contains just one ingredient—100% wild Alaskan salmon oil! It is 100% pure, which means that it is made without fillers, additives or preservatives. It is naturally packed with vitamins and minerals, including omega-3 fatty acids, DHA and EPA, omega-6 fatty acids, plus vitamin B12 and potassium. This supplement can relieve allergies and itching, reduce inflammation, restore skin and coat health and support heart health, joint health, cognitive function, and immunity. Plus, it has a whisker-licking taste, and it is easy to administer—simply mix it in with your canine companion's regular daily food.