Astragalus membranaceus has been used in traditional Chinese medicine for centuries. It is uses a tonic and is thought to improve the functioning of the lungs, adrenal glands, gastrointestinal tract, and help improve fatigue. This above study did find that Astragalus membranaceus did help mice improve their fatigue levels when taking Astragalus membranaceus.
Astragalus membranaceus is one of the 50 fundamental herbs that is used in Chinese medicine. More recently in the news is the extract TA-65 which is known to activate telomerase. Long telomeres are thought to be important to health and long life span.
For the most part Astragalus membranaceus is thought to be a relatively safe herb. People are advised against taking it during pregnancy and breast-feeding and also those who have auto immune diseases as it is thought to help activate the immune systemby