1.100% natural, no calories, dissolves easily in water. 2.Food grade sweeteners ... times more than sugar. 3.White powder. Specifications:100% Natural Stevia Pure Extract Reb-A 40%,Reb-A 50%,Reb-A 60 ... in OTC product like medicated toothpaste, mouthwashes, cough formulation, etc... pure natural stevia powder