... is as follow.Stevioside: 80%,90%, 95%, 98% Rebaudioside A (Reb A or RA): 40%, 60%, 80% ,90%,95%,96%, ... see our product list: Product Code Description Total SteviolGlycosides Reb-A STV Reb-C & DASweetness SG98RA9898% Rebaudioside-A98%~98. ... %>320 timesSG90RA5050% Rebaudioside-A90%50%~52%33%6%~7%>300 timesSG85RA4040% Rebaudioside-A85%~87%40%~41%38%~40%7 ... please do not hesitate to contact us. Rebaudioside A