DHEA is the most abundant steroid in the body, yet nobody knows much about what it does. ... There have been few scientifically valid human trials involving DHEA so it is not known if these effects will carry over to humans, so most researchers advise caution. ... Melatonin is a hormone produced naturally by your pituitary, but rigorous testing of melatonin's effects on human beings has not been done yet. ... There are also unwelcome side effects, including increased hairiness and acne. ...

• Word Count: 1627
• Approx Pages: 7