Help defend your doggo from free radicals with the UltraCruz Antioxidant Formula Dog Supplement. This canine antioxidant supplement is a potent formula of selenium, vitamin C and vitamin E to support healthy tissues and organs. These key antioxidants work to regulate the free radicals that are produced during exercise and help maintain a healthy immune system while providing muscle and joint support. Paw-fect for dogs of all breeds and sizes, it’s made in a tasty chew form that dogs love.