Promotes Immunity & Heart Health - This advanced Salmon Omega Oil + Hemp may also help support cardiovascular health and immune system function for your pup or kitty. Not Your Ordinary Salmon Oil - Zesty Paws Salmon Omega Oil + Hemp features a blend of Wild Alaskan Salmon Oil and Hemp Seed Oil to support skin health and immune function for your dog or cat. Enhanced with Hemp Seed Oil - This product contains Hemp Seed Oil, which provides a source of Stearidonic acid (SDA), a precursor to long-chain fatty acids and may support immune function for pets.