Stevia is an all-natural sweetener derived from the leaves of the stevia rebaudiana plant, making it 100% plant-based. It is a zero-calorie substitute for sugar and is incredibly sweet, with a potency that ranges from 200 to 400 times that of sugar. Stevia is an herb indigenous to Paraguay and Brazil, and it has been used for its sweetening properties throughout history. The leaves of this herb are renowned for their remarkable sweetness, making them a popular choice as a sugar alternative.