Hyssop 4 oz by Herb PharmWe prepare our Hyssop Extract from the leaf & flower of Hyssopus officinalis plants which are Certified Organically Grown on our own farm without the use of chemical fertilizers, pesticides or herbicides. To assure optimal extraction of Hyssop's bioactive compounds, the plants are hand harvested while in full flower, are carefully shade dried & freed of all stem, and are then thoroughly extracted. These statements have not been evaluated by the Food