VAV Life Sciences Pvt. Ltd. Manufactures Gymnema Sylvestre Natural Extracts. VAV Life Sciences Pvt. Ltd. Supplies natural extracts, food nutrition and pharmaceutical products. Gymnema Sylvestre Natural Extracts has been available in the grade of 25 - 75 %. Gymnema Sylvestre Natural Extracts reduces blood sugar level and enhance insulin production endogenously. It also inhibits the absorption of sugar in the intestine. The bacopa monnieri natural extracts is also considered as tonic, diuretic and refrigerant. It is available in the Indian name of Gurmar. This natural extract is standardized for gymnemic acid.