... calories, low carbonhydrate safety for hypertension, diabetics, obesities Steiva powder 90% total steviol glycosides, with about 40% Rebaudioside-A ... inside and total steviol glycosides by HPLC. Appearance: white powder; Taste: strongly sweet; Solubility: soluble in water; Store ... strong light and heat. This bulk Stevia Extract 90% pure powder ingredient is good for direct consumption, formulation, R&D ...