What is the best medicine for erection problem. herbal stuff?

None scientifically.: There is ACTUALLY no herbal medicine for impotence. Sure,some may claim different potions ,but actually only FDA approved medications work. Erection is a vascular problem just like heart disease ! What ails the heart also ails the penis.All the factors that affect the heart,such as diabetes,blood pressure,'elevated cholesterol,stress,also affect the penis before it is manifested in the heart

Here are some ...: There has been no known well-studied herbal products to enhance erection as commercially touted. If any, those usually come with some herbs with central nerve stimulating effect and lately some products are even tainted with generic sildenafil. As a result, the men with mild ED may experience some erectile improvement, but never as effective as PDE-5 inhibitors. So, no reliable herb for ED is ...