Astragalus Drops 2 oz - Dragon HerbsAstragalus fortifies the protective Qi (Wei Qi) that circulates just under the skin and in the muscle. This surface energy controls the opening and closing of pores and is our first line of defense against offensive environmental forces such as heat, cold, dampness, and wind. It strengthens metabolic, respiratory, and eliminative functions. Astragalus is warm and enters Spleen and Lungs channels. A famous Qi and Blood Tonic. A double direction