Naturalin Bio-Resources Co. Ltd. offers a wide range of anti virus series products which includes astragalus extract. Functions: astragalus extract can adjust immunity and have antitumor effect; cure chronic nephritis, albuminuria and diabetes; astragaloside can used as feed additive, may cure a series of poultry diseases. Applications: as added ingredients of medicines for improving immunity, benefiting spleen and kidney and treating impotence, it is widely used in the fields of medicine and health products; applied in cosmetic field, it is able to nourish and cure the skin. Packaging & storage: pack in paper-drums and two plastic-bags inside. Net weight: 25kgs/paper-drum. 1kg-5kgs plastic bag inside with aluminum foil bag outside. Net weight: 20kgs-25kgs/paper-drum. Store in a well-closed container away from moisture and light. Shelf life: 2 years if sealed and store away from direct sun light. Contact us for more information.