Brand Cialis improves erection and helps to achieve a successful sexual intercourse. It is the original medication, intended for use in adult men, who have problems with achieving and maintaining an erection. The pills start acting in 30 to 60 minutes. You can benefit from their effects for up to 36 hours. Therefore, you can take the pills on Saturday evening and enjoy a wonderful weekend, full of sex and pleasant emotions both for you and your partner. The active substance is Tadalafil.

Cialis is a latest medicine for treatment of disturbances of erection at men. Sialis's 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 Sialis in the morning and to be ready even next day. Active ingredient - Tadalafil, the recommended dosage - 20 mg.

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.