Zesty Paws Salmon Oil is a natural pet supplement comprised of wild Alaskan salmon, which is jam-packed with Omega-3 and Omega-6 fatty acids to deliver premium nourishment to dogs and cats of all sizes. The EPA and DHA sourced from the Omega-3 in our specialized supplement delivers vital nutrients to support proper joint function, heart health and skin/coat condition, as well as enhancing the immune system to make your four-legged friend healthier, happier, and zestier for life.