Nettle leaf extract is derived from stinging nettle (Urtica dioica), a flowering plant growing all over the world, originating from Europe and Asia. It is best known for the stinging reaction that follows when skin comes into contact with the stinging hairs on its leaves and stems. For centuries this plant has been used medicinally, with most products made from the stems and leaves. Nettle Leaf Extract comes in a 1 vegetable capsule daily dosage, giving you all the healthy benefits of this stinging botanical.