Equil's Plant 5-HTP is extracted from the seed of Griffonia simplicifolia and third-party tested at over 99% active compound — a plant-derived alternative to synthetic 5-HTP. 5-HTP is a natural precursor in the body's serotonin pathway (tryptophan → 5-HTP → serotonin → melatonin) and is taken by our customers to support natural sleep and mood. No fillers or synthetic additives, with a full Certificate of Analysis available on request. Note: 5-HTP is not suitable alongside SSRIs, SNRIs, MAOIs or other serotonergic medications without medical advice.