Men who experience impotence, pre-ejaculation, or erectile dysfunction can benefit from using Cenforce 100 Online.Sildenafil Citrate is its primary ingredient. The essential element of a drug that produces the drug's effect is referred to as the "active ingredient." Because PDE5 is what makes the penis lose its erection, sildenafil citrate is a PDE5 inhibitor, which means it stops PDE5 from working.