5-HTP is a compound formed in the body type of the amino acid tryptophan. It is an originator to the hormone and the melatonin neurotransmitter serotonin 5-HTP supplements have become most loved these days, as it is believed that providing 5-HTP to the body in the form of a pill can boost the serotonin levels in the body, similar to antidepressants that are believed to raise the amount of serotonin present in the brain. Some studies have indicated that 5-HTP might prevent migraines and decrease the regularity and sternness of migraines. Some side effects of 5-HTP are dizziness, nausea, and diarrhea. Sometimes an allergic reaction to the drug may occur.