... :delivery time :1 week 4.Rebaudioside A(Reb A or RA): 40%, 60%, 80% Stevioside is extracted from stevia leaf. The ... ). Steviosides: 90%, 95%, 98% B). Rebaudioside A(Reb A or RA): 40%, 60%, 80% C). Non-bitter stevioside(Enzyme treated stevia ...