The tuber of selected plants is used to make this high quality freeze-dried herbal powder, extracted with ultrasonic technology. The extract yields a minimum of **0ppm Umckalin and is suitable for use in health products such as tablets, capsules or for manufacturing tincture. This product is made according to the standards in the African Herbal Pharmacopoeia and we currently export it to Asia, Europe and USA. Our material is wild-crafted and dried in a herbal processing facility that produces EAURO-GAP. The assay for active ingredient is performed by university 3rd party laboratory.