... details :) Better Quality,Better Health,Better Life.-1,English Name :5-hydroxytryptophan-2,Plant Source & Used Part :Griffonia simplicifolia seed extract ... & Test Method : 10%-99% by HPLC-4,Molecular Formula :C11H12N2O3-5,Molecular Weight :220.2246-6,CAS Number: 56-69-9 ... in weight loss.We are one of the most professional GMP Certified manufacturer of Natural Plant & Herbal Extracts ,Bio-Chemical , ...