... is as follow.Stevioside: 80%,90%, 95%, 98% Rebaudioside A (Reb A or RA): 40%, 60%, 80% ,90%,95%,96%,97 ... see our product list: Product Code Description Total SteviolGlycosides Reb-A STV Reb-C & DASweetness SG98RA9898% Rebaudioside-A98%~98. ... .1~0.3%>450 timesSG95RA9090% Rebaudioside-A95%~96%90%~91%5%1%>380 timesSG95RA8080% Rebaudioside-A95%~96%80%~82 ... ,please do not hesitate to contact us. Rebaudioside A