Item# LHSTEV028G Stevia leaves are one of the sweetest substances found in nature, with a sweetness of 30-300 times the sweetening of sugar. They are the source of stevioside, a widely available tabletop sweetener in many Asian countries. With no calories, stevia is an excellent alternative all natural no calorie sweetener for teas. Great for sweetening peppermint and other teas without adding calories from sugar.