Chinese Herbal Medicine teaches that improved kidney energy improves sexual energy for men and women while promoting vitality and longevity. Take this formula when you feel you are losing sexual interest due to low vitality and low sexual energy or when you have the symptoms of chronic fatigue. Kidney Enhancer is a Traditional Chinese Herbal formula used for thousands of years to improve sexual/kidney energy and promote longevity. Kidney Enhancer delivers maximum benefits of Horny Goat Weed, Dong Quai & He Sho Wu. Horny Goat Weed is a kidney-yang tonic which helps low sex drive. It dilates capillaries and larger blood vessels and balances blood pressure. Dong Quai and He Sho Wu are blood tonics that nurture the liver and kidneys. These herbs darken your hair and moisten the body and skin, which reduces wrinkles.