"Astragalus: The Vitality, Immunity and Energy herb.
With a rich history of use in Asian culture and native to China, Mongolia and North Korea, Astralagus tonifies what the Chinese call 'Wei Qi' or 'protective Qi' - the energy that runs just below the skin. Because of this, it is believed to strengthen surface immunity and used by practitioners to enhance anti-viral activity and protect against colds.