Herb Pharm Comfrey Liquid Herbal Extract Description: Liquid Herbal Extract Symphytum officinale Fresh Root For External Use We prepare our Comfrey extract from fresh (undried) roots of Symphytum officinale plants which are Certified Organically Grown without the use of chemical fertilizers, pesticides or herbicides 1, and are never fumigated or irradiated. Through our special extraction process, we are able to produce a mucilage-rich extract that contains less than 1 part-per-million of pyrrolizidine alkaloids. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease. Weight (lbs): 0.17