Provides Antioxidant and Immune Function Support. Dietary Supplement. Vegan, Sugar-Free, Non-GMO. 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. This adaptogen herb also helps protect the body and cells from damage during times of stress.