
The Story
Sildenafil is the active ingredient in Viagra, a PDE5 inhibitor that works by relaxing blood vessels and increasing blood flow to the penis. It is one of the most well-studied and trusted treatments for erectile dysfunction, typically taken 30-60 minutes before sexual activity.
Description
Sildenafil is the active ingredient in Viagra, a PDE5 inhibitor that works by relaxing blood vessels and increasing blood flow to the penis. It is one of the most well-studied and trusted treatments for erectile dysfunction, typically taken 30-60 minutes before sexual activity.
















