Wheat grass powder , of pure plant powder kind , is made from raw fresh wheat grass which is harvested in season from owned planting base and then will soon be delivered to milling workshop on the same day to be elaborately washed , dehydrated , jet milling and so on . Certified as organic under NOP , JAS , Kosher and ORGANIC, and has been exported to many regions and countries over the world : like Europe , America , Japan and South Korea .