Fera Pets Fish Oil + Vitamin E Dog & Cat Supplement, 8-fl oz bottle; Give your furry friend an overall boost with Fera Pets Fish Oil with non-GMO Vitamin E for Dogs. This fish oil contains rich nutrients in their natural triglyceride form and is made with wild caught sardines, anchovies, herring and mackerel from Icelandic waters. It provides nutritional support for joint strength and flexibility while promoting heart function and normal circulation. This oil also supports a healthy immune system in your paw-tner and brain health. With high amounts of EPA and DHA, Fera Pets Fish Oil with non-GMO Vitamin E will keep your pup going strong with ingredients pet parents can trust.