For men between the ages of 18 and 65 For a drug that aids in erection, Order Caverta 50mg online. It is frequently called Sildenafil. The medication's primary ingredient is acetate hydrochloride. ten-count packs of Caverta 50mg pills are available. Labs Centurion Limited. When it comes to helping men obtain and maintain an erection for a longer period, Sildenafil produces a more effective hormone inhibitor than Tadalafil and Vardenafil.