GO 5-HTP 160mg is an important natural ingredient derived from Griffonia simplicifolia seeds. 5-HTP supports the healthy production of serotonin in the brain. Serotonin is produced and stored in the brain and when released creates a feeling of well-being, supporting good mood. Healthy levels of 5-HTP are essential for healthy sleep patterns, healthy mood as well as calming and soothing the nervous system. GO 5-HTP 160mg is supplied in a superior strength, for those who need extra support.