Pro Immune   Lutein and beta-carotene for a better working immune system   Studies have shown that healthy food can strengthen a dog's immunity. It has emerged that, as well as taking essential fatty acids, a dog needs nucleotides, peptido-glycans and carotenoides (such as lutein and beta-carotene to stimulate the immune system. Pro Immune is a combination of food ingredients which has an immunomodular effect and thereby stimulates the resistance and general health of your dog.   Back to the product page     Marigold is a natural source of lutein Carrots are a nautural source of beta-carotene