Krill Oil, Health Supplement, Antioxidant Product for Dogs and Cats is a great addition to your furry friend’s supplement regimen. Suitable for cats and dogs, this product helps safeguard against the harmful actions of free radicals—the unstable molecules created primarily during digestion. The naturally occurring antioxidants in this krill oil also help support your pet’s liver, ocular, respiratory, cardiovascular, and vascular functions. They also help maintain good cellular and tissue health in your pet.