Supports the liver, kidneys, thyroid, adrenal glands, intestines, bones, tendons, ligaments, blood vessels, etc. It is a natural antihistamine, removes uric acid and dissolves kidney stones. It is rich in vitamins, minerals and trace minerals. It helps to stop diarrhea and bleeding, and is a natural diuretic. The sterols in nettle are anti-inflammatory, immune supporting and dilates blood vessels improving circulation and regulating blood pressure. It is fed to farm animals to increase their growth and give some animals thick healthy coats. Some people also use nettle leaf extract to help restore hair growth and color. Fed to chickens it increases the protein content of their eggs and increases their shell hardness.
These are the reasons it is one of my favorite herbs. And it has a great taste to boot.