In the body, 5-hydroxytryptophan (5-HTP) is synthesized from tryptophan and is a precursor to the neurotransmitter serotonin. Supplementing with 5-HTP can effectively increase the bodys natural production of serotonin, a neurotransmitter with several benefits in cognition, mental health, weight management, and sleep.5-HTP is commonly used for sleep disorders for its ability to decrease time to fall asleep, increase duration of sleep, and improve sleep quality. Taking Nutricost 5-HTP daily also supports improved mood and cognition while reducing risk of depression and anxiety Nutricost 5-HTP helps you sleep better, feel better, and enjoy life with greater vigor.Nutricost 5-HTP has been determined to be free of Peak X? and other contaminants and is sourced from all-natural plant seed. It is all-natural, safe, and acts quickly, allowing you to enjoy the many benefits of higher serotonin levels without spending a fortune.