SIldenafil works for men with ED by helping to relax the blood vessels in the penis, allowing blood to flow into the penis when sexually stimulated.                                               

Viagra Connect contains the active ingredient sildenafil. It works for men with ED by helping to relax the blood vessels in the penis, allowing blood to flow into the penis when sexually stimulated.

SIldenafil works for men with ED by helping to relax the blood vessels in the penis, allowing blood to flow into the penis when sexually stimulated.