Astragalus has traditionally been used to strengthen and improve functioning of the immune system and organs (e.g., the spleen and liver) associated with it. 23, 86
In the lab, astragalus demonstrates antibacterial activity against: 72
Results of animal and human studies indicate that astragalus shows antiviral and antibacterial activity against the following diseases:
Astragalus may also help improve standard drug treatment for AIDS patients. SH formula is an herbal treatment that combines astragalus and 4 other traditional Chinese herbs. It is often used by HIV/AIDS patients to reduce the adverse side effects of antiretroviral drugs. 116
Animal and small clinical studies suggest that SH formula may also improve the effectiveness of conventional HIV/AIDS therapy. However, the benefit of the herbal formula was limited to reducing viral loads in some patients. It did not increase CD4 cell counts. 53, 116