We prepare our Marshmallow Extract from fresh (undried) roots of Althæa 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 Marshmallow's bioactive compounds the roots are hand-dug in late autumn or early spring and are then taken directly to our laboratory and promptly extracted while still fresh and succulent.Other products from HerbsPro