info2 at snowlotusbiotech dot com MSN: snowlotusbiotech@hotmail.com Extraction source:Nettle Specification:45% Function:DHB (6,7-dihydroxybergamotin) is a new material used as an ingredient in sports supplement and medicine. Package type: Vacuum plastic bags, 2.5kg/bags, 10kg/carton, 20kg/carton,25kg/carton.