Astragalus helps to stimulate circulation while enhancing the white blood cell count and immune function. It increases cardiac function while reducing blood pressure and strengthens the body where there is weakness.  In China, it has a long history of being used to stimulate the immune system and resistance to disease. It fights respiratory and urinary tract infections as well. It helps to increase energy, improve digestion, and reduce recovery time from chemo and radiation.  It is extremely beneficial for children as a mild Adaptogenic.