Nutrifit Wild Alaskan Salmon Oil for Cats 118 ml NutriFit Wild Alaskan Salmon Oil is the perfect natural nutritional supplement for your cat's health. It comes in a 4 oz bottle and contains natural salmon oil which is a rich source of Omega-3 essential fatty acids that promote healthy skin and hair, and help support a healthy heart and immune system in cats. Applying it regularly can help improve your cat's quality of life and increase its activity and vitality.