Natural serotonin support from the Griffonia simplicifolia seed for balanced mood and sleep support. Supports mood balance and sleep quality Supports the maintenance of normal serotonin levels Helps mental and physical relaxation May help those who suffer muscular discomfort when stressed or fatigued Each gelatin capsule contains: 5-Hydroxytryptophan 50mg Adults: 1 to 3 capsules at night or as directed.