Astragalus Root - A Major Chinese Qi Tonic Nature's Way Astragalus (Astragulus membranaceus) is harvested wild in Northern China and Mongolia. Early Chinese writings refer to it as "the superior tonic". Historically, Astragalus root ranks as one of China's most important herbs for medicine and is commonly included in Chinese cuisine. Astragalus is considered to have a normalizing effect on the body's functions. Free Ground Shipping on Orders over $80 for Supplements! COUPON: Coupon THX2OFF50 for $2 off on orders over $50.