One powerful tadalafil tablet is Vidalista 40 mg . which is a medication made especially to treat male erectile dysfunction (ED). For them to work, stronger dosages are needed. This medication increases blood flow to the penis and has a 36-hour half-life. It enables men to get and keep a powerful erection when engaging in sexual activity. It has been dubbed "the weekend pill." for the eradication of sexual impotence and erectile dysfunction.