This native Chinese herb has traditionally been used as an adaptogen (a substance that protects the body from stress and disease). Astragalus is also used as part of an herbal combination to prevent or treat colds, according to Mount Sinai. It’s thought that astragalus strengthens and regulates the immune system, notes the NCCIH (National Center for Complementary and Integrative Health). Some studies suggest that astragalus may help fight viral infections.
Astragalus
