... % HPLC SLE-2 RA 40%-98% The species Stevia rebaudiana, commonly known as sweetleaf, sweet leaf, sugarleaf, or simply stevia, is ... widely grown for its sweet leaves. As a sweetener and sugar substitute, stevia's taste ... aftertaste at high concentrations. Rebaudioside A has the least bitterness of all the sweet compounds in the stevia plant. To produce rebaudioside A ...