Used by the indigenous peoples of South America for centuries, the plant Stevia has recently hit the headlines. Stevia contains natural sweeteners, called steviol glycosides, which taste up to 300 times sweeter than sugar without providing calories. A new addition to the sweetness portfolio that could help with weight management? European consumers will need to wait.
http://www.eufic.org/article/en/artid/stevia-natural-sweetener-with-potential/
http://pt.wikipedia.org/wiki/Stevia