IMMUNE SYSTEM SUPPORT*: NOW® Astragalus is an adaptogenic herb* and known active components include flavonoids, free amino acids, trace minerals, and polyphenols.
HISTORY: Astragalus root (Huang qi) has been used as a popular herbal tonic in China for many centuries.
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)