Phl 5-Htp (100 Mg) 60CapsPHL 5 HTP (5 Hydroxytryptophan) 100 mg in a 60 capsule bottle is a mood support supplement derived from Griffonia simplicifolia seeds. It acts as a precursor to serotonin, a neurotransmitter that helps regulate mood, sleep, and appetite. Designed to support emotional balance, relaxation, and restful sleep, this supplement is intended for adults seeking natural brain chemistry support.