NOW Supplements, Astragalus Extract 500 mg (Standardized to 70% Polysaccharides)IMMUNE SYSTEM SUPPORT*: NOW Astragalus Extract supports healthy immune cell function.* It's standardized to 70 percent polysaccharides. HISTORY: For over 2,000 years, Chinese herbalists have valued astragalus for its adaptogenic properties, as well as for its ability to tonify the body's "vital force" known as the Qi.* CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Quality GMP Assured, Vegan/Vegetarian, Soy Free GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968 For over 2,000 years, Chinese herbalists have valued astragalus for its adaptogenic properties, as well as for its ability to tonify the body's "vital force" known as the Qi.*  More recently, Astragalus has been found to support healthy immune function through numerous mechanisms.* Non-clinical studies using Astragalus have demonstrated it can support the healthy production of and activity of specialized white blood cells.* Astragalus has also been studied for its role in the support of healthy liver and vascular function.* Natural color variation may occur in this product. By Payment DetailsWe currently accept payment via PayPal only. Once payment is cleared, we will dispatch your shipment within 1-3 business days. Please refer to the "Shipping" tab for more information regarding shipping speed to your destination.Return PolicyAs our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. If you are not satisfied with your purchase, please contact us within 30 days of receiving your order to process a return.