Starwest Botanicals is pleased to offer four types of Comfrey leaf that you can select from: natural or organic cut and sifted Comfrey leaf and natural or organic Comfrey leaf powder. Like all of our dried herbs and fresh bulk herbs, we only source our Comfrey leaf from the best growers across the globe. We process all of our superior quality bulk herbs in our own facility to ensure they are you are 100% satisfied with every bulk herbs order. Origin: Croatia Common Names: Slippery root, knitbone, blackwort, bruisewort, healing herb USDA Organic Kosher Certified Certified Organic Comfrey Leaf, which is also known as Symphytum officinale, slippery root, knitbone, blackwort, bruisewort and healing herb, has many common uses. Comfrey leaf has demulcent, mildly astringent and expectorant qualities.