Many of them work. Just look for the ones that are FDA approved and brave enough to offer double money back guarantee.
Male Enhancement Reviews
Yes its works. I might recommend to you these products, extenze and erectzan. You may also consider some natural male enhancement like the jelqing and kegel exercise.
the only thing that will "work" is a vascular dialator. Also known as NO2 in the bodybuilding world. It just opens up your blood vessels. Since your penis is loaded with blood vessels it makes it bigger around, but don't expect huge changes. The effects are minimal and you'll for the most part just get harder.
Why do you even want to take that stuff? Most women do not like someone who is huge. It actually hurts them.