Product Details Astragalus (Astragalus membranaceus) has been used as a Chi (life force) tonic and energy tonic and may help to stimulate immune function, improve circulation, relieve colds and flu, increase energy, alleviate acute conditions, cleanse liver and kidneys, strengthen digestion, balance blood pressure, and benefit degenerative disorders.. Astragalus Extract is prepared from the roots of Astragalus membranaceus plants. Dry herb/ menstruum ratio: 1:5 Certified organic grain alcohol (42-46%) distilled water & Astragalus extractives. Astragalus (Astragalus membranaceus) has been used as a Chi (life force) tonic and energy tonic and may help to stimulate immune function, improve circulation, relieve colds and flu, increase energy, alleviate acute conditions, cleanse liver and kidneys, strengthen digestion, balance blood pressure, and benefit degenerative disorders. (Astragalus Extract by Herb Pharm)