Smilax ornata &/or aristolochiifolia. Responsibly wildcrafted. Extraction rate 175 mg herb per 0.7 ml. Dry herb/menstruum ratio: 1:4 we prepare our sarsaparilla extract from the root of smilax ornata &/or aristolochiifolia vines which are responsibly wildcrafted in their natural habitat. country of origin : united states of america size : 1 fz pack of : 1 selling unit : each