The main active ingredient in fildena 100 is sildenafil, which is a PDE-5 inhibitor. Sildenafil is the active ingredient of fildena which will give you 3 to 6 hours of effectiveness and during this time you can have longer sex with your partner. Currently there are many doses of fildena 100 available in the world but by looking at fildena 100 reviews you can buy this tablet only.
