I Am Almost 38. About Two Months Ago I Startwd

I am almost 38. About two months ago i startwd having problems sexually. I am not so sexual anymore and its hard for me to gwt and maintain am erections. Im healthy i work out. I take creatine, glutamine, and citrulline. Are these problems on my head as some friends have said or what else cpuld be the problem? Hi, can I answer your health question? Please type your question here...