stevia is extracted from stevia leaf. Rebaudioside A (Reb A or RA): 40%, 60%, 80% ,90%,95 ... specialised in producing Stevia Rebaudioside -A .It is also called Reb A or RA.Our specification is as follow. TypeProduct CodeDescriptionTotal ... SteviolReb-ASTVReb-C & DASweetnessStevia Rebaudioside -A SG99RA9999% Rebaudioside ...