Stevia Extract helps solve various skin problems.
2.Stevia Extract can control high blood pressure and blood sugar levels.
3.Stevia Extract helps lose weight and reduce cravings for fatty foods.
4.Stevia Extract's anti-bacterial properties help prevent minor illness and cure minor wounds.
5.Adding stevia extract to your mouthwash or toothpaste results in improved oral health.
6.Stevia Extract induced beverages lead to improved digestion and gastrointestinal functions besides providing relief from upset stomachs.

via Plant is in the sunflower family and is related to lettuce and marigolds. Also known as sweet leaf and sugar leaf. Stevia is a type of plant that has very sweet leaves. These leaves have been used to sweeten drinks and as a sugar substitute.

Stevioside is 250 times sweeter than sucrose, and have the potential to serve as non-caloric sweeteners. Stevioside is already in use as a food sweetener in a number of South American and Asian countries. 

Stevioside as a new natural sweet agent, been widely used in foods, drinks, medicines and daily chemicals. Broadly speaking, in all the sugar products, the stevioside can be used to take the place of cane sugar.