Astragalus 黄芪 is a Chinese herb that has been used for more than 2000 years for people with weak and damp constitution such as catching colds and flus easily, cold sweats, boils, chronic lung problem, and weak spleen. It is taken as a tea, soup or stew, sometimes with other herbs to booster immune system and strengthen the body. Astragalus… Continue reading Astragalus 黄芪 as an Immune Boost