5HTP or 5 HTP is an intermediate metabolite used to produce serotonin. Serotonin is a very important substance which helps promote normal brain and nerve function. Serotonin is the main neurotransmitter that supports mood, sleep functions and appetite.

5HTP is sold over the counter in the United Kingdom, the United States and Canada as a dietary supplement for use as an antidepressant, appetite suppressant, and sleep aid.

5-HTP and Insomnia.

The relationship between 5-HTP and sleep (good sleep) has been well-established. In fact, 5 HTP supplement isseen to be better than melatonin in promoting good sleep and alleviating insomnia. 

5-HTP and Fibromyalgia.

One of the major benefits of 5-HTP is the help that it gives for people with fibromyalgia

5-HTP and Headaches.

5-hydroxytryptophan supplement has also been used for treating chronic headaches such as tension headaches, juvenile headaches and migraine. These are conditions which may be related to low serotonin. 5-HTP has the ability to reduce the severity and frequency of these conditions, with fewer side effects compared to other chronic headache medications.