Increased blood flow to the penis, the male sexual organ, is one way Extra Super P Force can treat erectile dysfunction. It needs to be taken one hour before engaging in sexual activity. The ingredients of Extra Super P Force, sildenafil, and duloxetine, are combined to treat premature ejaculation and erectile dysfunction. This tablet should only be taken once per 24 hours. This drug should not be taken by patients who have experienced a heart attack or stroke within the previous six months. Children and dogs shouldn't have access to them. The recommended storage temperature for these tablets is 25°C. If you are under the age of 18, do not take these tablets.