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!

Viagra Professional - Advantage of Professional Viagra from usual Viagra is that it works twice longer (6 - 8 hours) and has a stronger effect. Strengthens desire, improves brightness of sexual feelings and increases duration of sexual intercourse.

Viagra Super Active - an innovative formula of drug for treatment of erectile dysfunction. Drug is produced in gelatin capsules that allows to avoid emergence of heartburn or other unpleasant feelings in a stomach. Sildenafil Super Active also has a number of advantages. It is soaked quicker and works longer. The principle of action is identical with ordinary Sildenafil. Each capsule contains about 100 mg of active ingredient. That is quite enough for any man.

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.