Astragalus Complex, 40 TabletsAstragalus Complex contains Astragalus, Echinacea purpurea root and Eleuthero to provide adaptogenic immune system support.* These herbs have been traditionally used in herbal preparations to: Support healthy immune system function* Support upper respiratory tract function* Promote a healthy response to environmental stress* This combination of herbs contains many compounds including triterpenoid saponins, flavonoids, sterols, caffeic acid derivatives