Cod Liver Oil is an oil that is used in dogs and cats because it is rich of omega-3 fatty acids, vitamin A, vitamin E and vitamin D3. Omega 3 must be available as early as gestation in order to promote proper development of the cardiovascular system and brain, which is why the use of cod liver oil is recommended in breeders and puppies. Cod liver oil promotes the shine and softness of the coat and is therefore suggest for use in show pets. Finally, we recommend the use of cod liver oil also in older animals, where the omega-3 exert beneficial effects on joint and intestinal physiology as well.