For both husband and wife sexual health is important for the everlasting relationship. It is a natural desire for every man to have more stamina as well as sexual power than their partner. Generally, the sexual stamina of the men decreases due to ageing, low level of testosterone or hormonal imbalance, low level of endurance, erectile dysfunction, premature ejaculation etc. And as a result, men get embarrassed if they are unable to satisfy their partners. But now there is nothing to worry as here are the lists of essential vitamins which play an important role to enhance your sexual stamina.