Product Details : Assay: 99% CAS NO.: 56-69-9 Source: Griffonia simplicifolia Appearance: white gray powder Loss on Drying: < 1.0 % Ash: < 0.2 % Heavy Metal: < 10 ppm 5-HTP is a compound created in the body which is used to regulate serotonin levels in brain and central nervous system. According to the web sites used, a supplement of 5-HTP is said to regulate moods, help treat anxiety and aid in weight loss. They also stated that 5-HTP helps with insomnia and lower the risk of heart disease. The risk of heart disease is supposed to be lowered as a result of less anxiety and a more peaceful state of mind.