Stevia Leaves (stevia Rebaudiana)-it is a Sweetner and Sugar Substitute Derived from the Leaves of the Plant . It is Native to Brazil and Paraguay. the Legal Status of Stevia as a Food Additive or Dietary Supplement Varies from Country to Country. FORM : Leaf, Powder Benefits : It is Helpful in Diabetes. Stevia Can Help Cut Down On Added Sugar Consumption , Which Could Be Especially Benficial for Children. Limited Evidence Exists On the Safety of Stevia During Pregnancy.