Herbal Supplement. Supports healthy function of the immune system. Immune support. System builder. Gluten-free. Dry herb/menstruum ratio: 1:5. We prepare our Astragalus Extract from dried roots of Astragalus membranaceus plants which are Certified Organically Grown. Our Astragalus roots are hand-harvested only in autumn and are carefully shade-dried to maintain their full aroma and color. www.herb-pharm.com. Certified organic by Organic Certifiers. (This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.)