Clinicians 5-HTP Mood Care provides natural serotonin support from the Griffonia simplicifolia seed for balanced mood and better sleep. 5-HTP Mood Care provides a natural alternative for those looking for balanced serotonin levels and can be used long-term and is well tolerated. 5-HTP is naturally sourced from the Griffonia simplicifolia seed and is an amino acid used in the normal production of serotonin. Serotonin is a neurotransmitter (brain chemical) used by the body to support feelings of happiness and relaxation. It is also converted into melatonin, a substance that aids deeper sleep.