Astragalus is one of the primary immune tonifiers of Chinese herbalism. Planetary Formulas Full Spectrum Astragalus features a concentrated extract of astragalus root, standardized to 0.4% 4-hydroxy-3 methoxyisoflavone, one of the unique isoflavones of astragalus, combined with high-grade, whole astragalus root. The blending of this standardized extract with whole root ensures the presence of the full spectrum of astragalus constituents.
