5htp is a natural product derived from plants that increases the levels of Serotonin in the brain. - Low levels of serotonin have long been associated with sleep problems as well as depression and anxiety, but more recently they have also been found to affect appetite, emotions, migraines and low pain threshold. - 5 HTP works by increasing the amount of serotonin manufactured in the brain and this helps the brain to initiate sleep so that the user is able to get to sleep quicker and helps alleviate insomnia. Higher levels of serotonin also help to achieve a deeper sleep which results in fewer awakenings so that the user can awake feeling more refreshed next day. Studies have also shown that increasing the serotonin levels help alleviate depression , anxiety and mood swings. Patients suffering from mental health problems are prescribed drugs to boost serotonin levels but 5 HTP is a natural drug free product which also increases serotonin levels can also help control appetite.