Health. Nature. Life. 100% Vegetarian. Extracted from Griffonia Seeds. 5-HTP (5-Hydroxytryptophan) is an amino acid that is a precursor substance to serotonin a vital neurotransmitter in the body. Futurebiotics® provides a naturally-occurring plant-derived 5-HTP that is extracted from the seeds of Griffonia simplicifolia a woody climbing shrub native to west and central Africa which bears flowers followed by seed pods. . Futurebiotics® 5-HTP is a 100% vegetarian supplement that provides 10 mg of 5-HTP in every capsule.