Proprietary blend Echinacea Aerial Parts (Echinacea purpurea) Suma Bark(Pfaffia paniculata) Astragalus Root (Astragalus membranaceus) Eleuthero Root (Eleutherococcus senticosus) Ginkgo Leaves Concentrate (Ginkgo biloba) Gotu Kola Root and Rhizome Concentrate (Centella asiatica)