Impotence is erectile dysfunction and premature ejaculation is short sexual life, there is no vitamin-based medicine that can treat erectile dysfunction and premature ejaculation, so there is no such thing as what vitamins are good to take. There are many causes of erectile dysfunction and premature ejaculation, such as aging, chronic physical illness, mental stress, medication factors, poor lifestyle and dietary habits, trauma, surgery, psychological reasons, highly sensitive penile sensation, circumcision, prostatitis, and so on. Impotence patients should follow the doctor’s advice oral sildenafil and tadalafil, etc., premature ejaculation patients can take oral dapoxetine and other drugs, drugs need to be applied under the guidance of a doctor. If you have erectile dysfunction and premature ejaculation symptoms, you should go to the urology department of the regular hospital in a timely manner, to clarify the cause of the disease and follow the doctor’s instructions.