The raw material of Jim Manet tea is Gymnema sylvestre of Asclepiaceae, which is native to India. According to Ayurveda, a traditional medical book in ancient India, Jim Manet tea has become a folk medicine for treating diabetes and losing weight as early as 2500 years ago. The main purpose is to control blood sugar and lose weight. Putting it on the tongue can hinder the sweetness, and oral administration can obviously control the blood sugar level of diabetes. Before 2000, Indian doctors used Jim Manet to treat diabetes. In the11920s, scientists discovered that Jim Manet could really lower the blood sugar level.