The thing about pills is that they increase your erection strength and rush blood to your penis, but they contain an herb called "Yohimbe" that is known to cause side effects in mind. According to Consumer zyalix reviews Reports Magazine, this herb is known as being very unsafe. It can cause headaches, vomiting, diarrhea, nausea, and even death. I know you're interested in experiencing the last side effect - so I suggest that you leave this herb alone.