Pure Raw Juice Powder Non-GMO Kosher Alkalize, energize and cleanse your body with this ancient green food discovered in an Egyptian tomb. So pure, so potent that it has been given heirloom status and considered a natural treasure. Heirloom Wheatgrass is processed at a low temperature and is the world's most ancient and pure form of wheatgrass, with all of the qualities of fresh, but better!