. It is commonly called stinging nettle and is perennial, growing 1-2 m tall in the summer. During winter, it dies down to the ground, and is commonly used in supplements.
Nettle Extract is a very popular ingredient in bodybuilding supplements because of its ability to keep testosterone flowing freely through the body. Since testosterone is concentrated in the muscle tissue, Nettle Extract helps to increase the free flowing beneficial testosterone, which means an increase in lean muscle mass.

Some of the uses that are commonly popular are in treating anemia, because nettle leaves contain a high amount of iron. Other benefits include treatment for arthritis and rheumatism.
Nettle extract protects the respiratory system, and helps urinary problems. It also decreases the risk of eczema and many other skin disorders. Nettle extract can be beneficial for the treatment of asthma and benign prostate. It also helps protect from hair loss (alopecia)