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.

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 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.