A second study showed that astragalus boosted immune response, even in animals that were treated with an immunosuppressive drug, cyclophosphamide. Astragalus is taken in China by cancer patients to boost immunity after drug or radiation treatment. It may protect body cells against heavy metals and chemical toxins. Astragalus is a good source of the essential trace mineral selenium. It is often combined in formulas with ginseng and other Chinese herbs.
Herbal companies offer it fresh or dried and in capsules.
Belonging to the Leguminosae family, Astragalus membranaceus is one of the most frequently used food supplements and remedies in China. Herb specialists call it an adaptogen, a type of nontoxic natural substance that helps the body maintain its normal balance of health and wholeness as defined by Dr. I. I. Brekman of the Institute of Biologically Active Substances, Academy of Vladivostok, Russia. Chinese often keep it in their water container to get the tonic effect constantly. Analysis shows that Astragalus contains polysaccharides, monosaccharides, flavonoid, alkaloid, including choline and betaine, folic acid, various amino acids, mucoitin, gum, cellulose, picrorhiza, and fourteen mineral trace elements, including selenium, zinc, iron, etc, which are inperative for man and animals. 1.It strengthens immunity to disease.