American ginseng (Panax quinquefolius), Ashwaganda (Withania somnifera), Astragalus (Astragalus spp.), Licorice root (Glycyrrhiza glabra), Siberian ginseng (Eleutherococcus senticosus) , Suma (Pfaffia paniculata) , Schisandra (Schisandra chinensis, also called wuweizi by the Chinese), Jiaogulan (Gynostemma pentaphyllum), Reishi (Ganoderma lucidum), Shiitake (Lentinus edodes) and Maitake (Grifola frondosa).