Sildenafil citrate is the active ingredient in Vigore 100 MG Tablet, which is also knowing as the blue pill. It uses to treat erectile dysfunction (ED), which is also calling impotence, in men. Erectile dysfunction is when a man cannot achieve and maintain a penile erection adequate for sexual intercourse. 
 
It happens when there is a decreased blood flow to the penis. Chronic lifestyle factors such as obesity, smoking, drinking, etc., could also contribute to ED.
 
Vigore 100 MG Tablet loosens the smooth muscles present in the blood vessels wall and increases blood flow to the penis. It works well when the underlying problem of erectile dysfunction is physical, psychological, or both.