Himalaya Immunol is a blend of herbs that are clinically proven to improve the immunity of cats and dogs which is the bodys vital shield against infections. Natural Herbal Formulation Improves Immune System Immuno Stimulant (Fights Infection) Phagocytic (Eliminates Pathogens) Antioxidant Contains: Tinospora Cordifolia, Withania somnifera, Boerhaavia Diffusa, Terminalia Chebula, Asparagus racemosus.