Viagra - Active ingredient - Sildenafil, 100 mg. Effect of "Viagra" is based on significant increase of blood stream to penis. Begins to work in 30 minutes, the effect lasts for 4-5 hours. Most of men can take this generic viagra every day. Millions of men worldwide cannot be mistaken, choosing Viagra!

Brand Viagra - a drug from Pfizer, with a basic chemical called Sildenafil Citrate, is a first developed pharmaceutical to cure the difficulties with erection. It functions approximately within 4-5 hours, must be taken an hour prior to sex.

Cialis is a latest medicine for treatment of disturbances of erection at men. Cialis feature is its high-speed performance (30 minutes) and a long-term effect (up to 36 hours). In this regard you can choose the moment which is most suitable for sexual intercourse, having accepted a drug in advance. It is possible to take Cialis in the morning and to be ready even next day. Active ingredient - Tadalafil, the recommended dosage - 20 mg.

Cialis Super Active is a generic drug, against erectile dysfunction, containing 20 mg of tadalafil. The tablets in this series have a gel inside. This form allows the active substance, Tadalafil, to immediately enter the blood, thus providing an immediate effect. The result from the Cialis Super Active tablets appears after 5 minutes! The action lasts for two days. The drug is safe and has virtually no contraindications.