Premium Supplement for Powerful Immune System and Lung Support - Lung health Support Tea 14 days - Lung Health Respiratory Support Herbal Teas Blend, Eucalyptus, hibiscus, caffeine free - SWAN LIFE ESSENTIALS MARSHMALLOW ROOT: Marshmallow root is a perennial herb thats native to Europe, Western Asia, and Northern Africa. The high content of marshmallow root may make it a useful help for coughs and colds. ASTRAGALUS BENEFITS: One of the key uses for astragalus, is to improve immune function. Astragalus is an antioxidant, which support the integrity of the respiratory tract. BENEFITS OF PEPPERMINT: Peppermint is an aromatic herb in the mint family. Native to Europe and Asia, it has been used for thousands of years for its pleasant, minty taste and health benefits. Peppermint tea, may help improve breath as well. WHAT IS EUCALYPTUS: Originally native to Australia, eucalyptus trees are now grown all over the world. Respiratory problems may be helped by drinking tea with added eucalyptus.