Viprogra Plus is a new generation extra-strength prescription medicine that is taken orally for the treatment of erectile dysfunction only in men, powerfully activating the natural blood flow, followed by hardness and expansion of your sexually. Sildenafil is an oral drug for male impotence, also known as erectile dysfunction. Viprogra Plus has a great safety track record and proven effects that start acting in 30 minutes to 1 hour and last for about 4 hours.