NO Yeast, Wheat, Corn, Milk, Egg, Soy, Glutens, Artificial Colors or Flavors, Added Sugar, Starch or Preservatives. Gymnema Sylvestre is an herb which has been used for centuries for its health benefits. Natrol Gymnema Sylvestre is provided in the most desirable form, a pure 5:1 extract. Pullulan, a polysaccharide, may enhance the effects of Gymnema Sylvestre.*.