Let me share my experience with a product called Erect on Demand. This Peruvian Brew is a concoction vitamins, herbs, and extracts that help increase blood flow and sensitivity. These are common causes of many cases of ED and this product claims to reduce the cause, hence reducing the symptoms of ED.
I had to try it as an alternative to more expensive options that are on the market.
During my research, I found this compelling video and this is what helped me give it a try:
That video was from a guy named Bill Preston who appears to actually know what he is talking about and not just reading some sales letter or whatever.