Ashwagandha is a tonic strengthening herb that is high in iron content and increases hemoglobin. Ashwagandha berries are a blood tonifier that improves circulation and absorption of nutrients by cells. It is used as a liver and kidney tonic in Chinese medicine. Ashwagandha rejuvenates tissues throughout the body, clears the mind, strengthens the nerves, and promotes restful sleep. It has the ability to improve memory, sexual ability and lessens graying of the hair. Additionally, Ashwagandha is an adaptogen, that is, it works on muscles and nerves to increase performance in athletes, enhances psychomotor coordination, and reaction time. It helps to tone the liver, kidneys, immune system and balances hormones in the body.