Astragalus Root Extract is a Chinese herb used to support the immune system, promoting normal levels of antibodies, macrophages and immune messenger molecules.* In Traditional Chinese Medicine, Astragalus is used to tonify the spleen, the qi (vital energy), and the blood.* Astragalus Extract has antioxidant effects and helps inhibits free radical production and lipid peroxidation.* It is also very high in trace minerals and micronutrients.* Some preliminary research suggests Astragalus Extract may help support normal blood sugar levels.* Vital Nutrients Astragalus Extract capsules are vegetarian.