0 calories. 0 sugars. Non GMO Project verified. nongmoproject.org. Add a few drops to your food or beverage for the perfect amount of sweetness. NuNaturals Nustevia is a premium plant-based sweetener that comes from the stevia leaf, an herb native to South America. Nustevia is a non-bitter extract with no unpleasant after taste. www.nunaturals.com. (at)nunaturals.