Penegra is a drug for treatment of impotence that contains Sildenafil Citrate, the drug used in its production ingredients as close to its branded version. Thanks to Sildenafil Citrate Penegra belongs to inhibitors of phosphodiesterase of the fifth type, which also secured him the first place among drugs which widen the blood vessels to the penis during natural arousal. Product benefits: optimal recommended dose to achieve the desired effect – 50 g, allowed a gradual decrease, the manufacturer gives 80% guarantee regarding the action of the drug by as much as four hours, and this is a fairly high indicator, the drug has a beneficial effect on overall health, erection occurs at the time of excitation.